Finding the Fourth Proportional to 416,036.64, 574,129.92 and 225,049.44
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Solution
The fourth proportional to 416,036.64, 574,129.92 and 225,049.44 is: 310,567.88
Step by Step Solution
- Step 1: Write the proportion equation
416,036.64 : 574,129.92 = 225,049.44 : x - Step 2: Convert to fraction form
416,036.64/574,129.92 = 225,049.44/x - Step 3: Cross multiply
416,036.64x = 574,129.92 × 225,049.44 - Step 4: Simplify right side
416,036.64x = 129,207,616,983.25 - Step 5: Solve for x
x = 129,207,616,983.25/416,036.64 - Step 6: Final answer
x = 310,567.88
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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.