Finding the Fourth Proportional to 396,374.88, 546,841.62 and 226,517.88
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Solution
The fourth proportional to 396,374.88, 546,841.62 and 226,517.88 is: 312,505.69
Step by Step Solution
- Step 1: Write the proportion equation
396,374.88 : 546,841.62 = 226,517.88 : x - Step 2: Convert to fraction form
396,374.88/546,841.62 = 226,517.88/x - Step 3: Cross multiply
396,374.88x = 546,841.62 × 226,517.88 - Step 4: Simplify right side
396,374.88x = 123,869,404,458.17 - Step 5: Solve for x
x = 123,869,404,458.17/396,374.88 - Step 6: Final answer
x = 312,505.69
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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.