Finding the Fourth Proportional to 358,760.62, 538,207.26 and 148,414.96
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Solution
The fourth proportional to 358,760.62, 538,207.26 and 148,414.96 is: 222,649.88
Step by Step Solution
- Step 1: Write the proportion equation
358,760.62 : 538,207.26 = 148,414.96 : x - Step 2: Convert to fraction form
358,760.62/538,207.26 = 148,414.96/x - Step 3: Cross multiply
358,760.62x = 538,207.26 × 148,414.96 - Step 4: Simplify right side
358,760.62x = 79,878,008,964.61 - Step 5: Solve for x
x = 79,878,008,964.61/358,760.62 - Step 6: Final answer
x = 222,649.88
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.