Finding the Fourth Proportional to 437,728.30, 656,203.65 and 260,046.70
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Solution
The fourth proportional to 437,728.30, 656,203.65 and 260,046.70 is: 389,839.07
Step by Step Solution
- Step 1: Write the proportion equation
437,728.30 : 656,203.65 = 260,046.70 : x - Step 2: Convert to fraction form
437,728.30/656,203.65 = 260,046.70/x - Step 3: Cross multiply
437,728.30x = 656,203.65 × 260,046.70 - Step 4: Simplify right side
437,728.30x = 170,643,593,710.46 - Step 5: Solve for x
x = 170,643,593,710.46/437,728.30 - Step 6: Final answer
x = 389,839.07
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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.