Finding the Fourth Proportional to 426,850.24, 640,275.36 and 146,369.92
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Solution
The fourth proportional to 426,850.24, 640,275.36 and 146,369.92 is: 219,554.88
Step by Step Solution
- Step 1: Write the proportion equation
426,850.24 : 640,275.36 = 146,369.92 : x - Step 2: Convert to fraction form
426,850.24/640,275.36 = 146,369.92/x - Step 3: Cross multiply
426,850.24x = 640,275.36 × 146,369.92 - Step 4: Simplify right side
426,850.24x = 93,717,053,221.17 - Step 5: Solve for x
x = 93,717,053,221.17/426,850.24 - Step 6: Final answer
x = 219,554.88
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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.