Finding the Fourth Proportional to 438,375.26, 656,981.58 and 225,134.57
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Solution
The fourth proportional to 438,375.26, 656,981.58 and 225,134.57 is: 337,403.31
Step by Step Solution
- Step 1: Write the proportion equation
438,375.26 : 656,981.58 = 225,134.57 : x - Step 2: Convert to fraction form
438,375.26/656,981.58 = 225,134.57/x - Step 3: Cross multiply
438,375.26x = 656,981.58 × 225,134.57 - Step 4: Simplify right side
438,375.26x = 147,909,265,511.22 - Step 5: Solve for x
x = 147,909,265,511.22/438,375.26 - Step 6: Final answer
x = 337,403.31
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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.