Finding the Fourth Proportional to 415,260.27, 573,132.51 and 396,327.87
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Solution
The fourth proportional to 415,260.27, 573,132.51 and 396,327.87 is: 547,002.45
Step by Step Solution
- Step 1: Write the proportion equation
415,260.27 : 573,132.51 = 396,327.87 : x - Step 2: Convert to fraction form
415,260.27/573,132.51 = 396,327.87/x - Step 3: Cross multiply
415,260.27x = 573,132.51 × 396,327.87 - Step 4: Simplify right side
415,260.27x = 227,148,386,916.05 - Step 5: Solve for x
x = 227,148,386,916.05/415,260.27 - Step 6: Final answer
x = 547,002.45
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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.