Finding the Fourth Proportional to 416,247.17, 574,421.09 and 225,260.60
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Solution
The fourth proportional to 416,247.17, 574,421.09 and 225,260.60 is: 310,859.62
Step by Step Solution
- Step 1: Write the proportion equation
416,247.17 : 574,421.09 = 225,260.60 : x - Step 2: Convert to fraction form
416,247.17/574,421.09 = 225,260.60/x - Step 3: Cross multiply
416,247.17x = 574,421.09 × 225,260.60 - Step 4: Simplify right side
416,247.17x = 129,394,435,387.65 - Step 5: Solve for x
x = 129,394,435,387.65/416,247.17 - Step 6: Final answer
x = 310,859.62
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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.