Finding the Fourth Proportional to 475,613.40, 656,351.88 and 271,691.31
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Solution
The fourth proportional to 475,613.40, 656,351.88 and 271,691.31 is: 374,937.09
Step by Step Solution
- Step 1: Write the proportion equation
475,613.40 : 656,351.88 = 271,691.31 : x - Step 2: Convert to fraction form
475,613.40/656,351.88 = 271,691.31/x - Step 3: Cross multiply
475,613.40x = 656,351.88 × 271,691.31 - Step 4: Simplify right side
475,613.40x = 178,325,102,098.16 - Step 5: Solve for x
x = 178,325,102,098.16/475,613.40 - Step 6: Final answer
x = 374,937.09
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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.