Finding the Fourth Proportional to 437,672.40, 656,245.80 and 171,115.08
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Solution
The fourth proportional to 437,672.40, 656,245.80 and 171,115.08 is: 256,569.87
Step by Step Solution
- Step 1: Write the proportion equation
437,672.40 : 656,245.80 = 171,115.08 : x - Step 2: Convert to fraction form
437,672.40/656,245.80 = 171,115.08/x - Step 3: Cross multiply
437,672.40x = 656,245.80 × 171,115.08 - Step 4: Simplify right side
437,672.40x = 112,293,552,566.66 - Step 5: Solve for x
x = 112,293,552,566.66/437,672.40 - Step 6: Final answer
x = 256,569.87
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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.