Finding the Fourth Proportional to 226,792.04, 312,972.93 and 131,296.68
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Solution
The fourth proportional to 226,792.04, 312,972.93 and 131,296.68 is: 181,189.37
Step by Step Solution
- Step 1: Write the proportion equation
226,792.04 : 312,972.93 = 131,296.68 : x - Step 2: Convert to fraction form
226,792.04/312,972.93 = 131,296.68/x - Step 3: Cross multiply
226,792.04x = 312,972.93 × 131,296.68 - Step 4: Simplify right side
226,792.04x = 41,092,306,638.87 - Step 5: Solve for x
x = 41,092,306,638.87/226,792.04 - Step 6: Final answer
x = 181,189.37
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.