Finding the Fourth Proportional to 416,201.53, 574,359.62 and 225,214.92
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Solution
The fourth proportional to 416,201.53, 574,359.62 and 225,214.92 is: 310,797.41
Step by Step Solution
- Step 1: Write the proportion equation
416,201.53 : 574,359.62 = 225,214.92 : x - Step 2: Convert to fraction form
416,201.53/574,359.62 = 225,214.92/x - Step 3: Cross multiply
416,201.53x = 574,359.62 × 225,214.92 - Step 4: Simplify right side
416,201.53x = 129,354,355,869.53 - Step 5: Solve for x
x = 129,354,355,869.53/416,201.53 - Step 6: Final answer
x = 310,797.41
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1.5x scale
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.