Finding the Fourth Proportional to 416,419.14, 574,659.71 and 225,432.08
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Solution
The fourth proportional to 416,419.14, 574,659.71 and 225,432.08 is: 311,096.97
Step by Step Solution
- Step 1: Write the proportion equation
416,419.14 : 574,659.71 = 225,432.08 : x - Step 2: Convert to fraction form
416,419.14/574,659.71 = 225,432.08/x - Step 3: Cross multiply
416,419.14x = 574,659.71 × 225,432.08 - Step 4: Simplify right side
416,419.14x = 129,546,732,280.85 - Step 5: Solve for x
x = 129,546,732,280.85/416,419.14 - Step 6: Final answer
x = 311,096.97
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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.