Finding the Fourth Proportional to 438,375.76, 656,982.33 and 225,135.07
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Solution
The fourth proportional to 438,375.76, 656,982.33 and 225,135.07 is: 337,404.06
Step by Step Solution
- Step 1: Write the proportion equation
438,375.76 : 656,982.33 = 225,135.07 : x - Step 2: Convert to fraction form
438,375.76/656,982.33 = 225,135.07/x - Step 3: Cross multiply
438,375.76x = 656,982.33 × 225,135.07 - Step 4: Simplify right side
438,375.76x = 147,909,762,853.31 - Step 5: Solve for x
x = 147,909,762,853.31/438,375.76 - Step 6: Final answer
x = 337,404.06
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.