Finding the Fourth Proportional to 527,414.68, 791,143.92 and 153,437.68
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Solution
The fourth proportional to 527,414.68, 791,143.92 and 153,437.68 is: 230,162.89
Step by Step Solution
- Step 1: Write the proportion equation
527,414.68 : 791,143.92 = 153,437.68 : x - Step 2: Convert to fraction form
527,414.68/791,143.92 = 153,437.68/x - Step 3: Cross multiply
527,414.68x = 791,143.92 × 153,437.68 - Step 4: Simplify right side
527,414.68x = 121,391,287,630.91 - Step 5: Solve for x
x = 121,391,287,630.91/527,414.68 - Step 6: Final answer
x = 230,162.89
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.