Finding the Fourth Proportional to 497,680.10, 746,520.15 and 272,953.70
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Solution
The fourth proportional to 497,680.10, 746,520.15 and 272,953.70 is: 409,430.55
Step by Step Solution
- Step 1: Write the proportion equation
497,680.10 : 746,520.15 = 272,953.70 : x - Step 2: Convert to fraction form
497,680.10/746,520.15 = 272,953.70/x - Step 3: Cross multiply
497,680.10x = 746,520.15 × 272,953.70 - Step 4: Simplify right side
497,680.10x = 203,765,437,067.06 - Step 5: Solve for x
x = 203,765,437,067.06/497,680.10 - Step 6: Final answer
x = 409,430.55
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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.