Ratios and Proportions

Ratios and Proportions - Proportions Proportions are...

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Ratios and Proportions Ratios and proportions are not only used in arithmetic, but are also commonly used in algebra (and  geometry).  Ratios ratio  is a method of comparing two or more numbers or variables. Ratios are written as  a:b  or in  working form, as a fraction.  or  is read “  a  is to  b ”  Notice that whatever comes after the “to” goes second or at the bottom of the fraction.
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Unformatted text preview: Proportions Proportions are written as two ratios (fractions) equal to each other. Example 1 Solve this problem for x. p is to q as x is to y First the proportion may be rewritten. Now simply multiply each side by y ....
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This note was uploaded on 11/09/2011 for the course MATH 1310 taught by Professor Staff during the Fall '07 term at Texas State.

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