Finding the Fourth Proportional to 437,730.80, 656,207.40 and 260,049.20
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Solution
The fourth proportional to 437,730.80, 656,207.40 and 260,049.20 is: 389,842.82
Step by Step Solution
- Step 1: Write the proportion equation
437,730.80 : 656,207.40 = 260,049.20 : x - Step 2: Convert to fraction form
437,730.80/656,207.40 = 260,049.20/x - Step 3: Cross multiply
437,730.80x = 656,207.40 × 260,049.20 - Step 4: Simplify right side
437,730.80x = 170,646,209,404.08 - Step 5: Solve for x
x = 170,646,209,404.08/437,730.80 - Step 6: Final answer
x = 389,842.82
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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.