Finding the Fourth Proportional to 489,024.91, 733,458.68 and 133,955.92
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Solution
The fourth proportional to 489,024.91, 733,458.68 and 133,955.92 is: 200,912.33
Step by Step Solution
- Step 1: Write the proportion equation
489,024.91 : 733,458.68 = 133,955.92 : x - Step 2: Convert to fraction form
489,024.91/733,458.68 = 133,955.92/x - Step 3: Cross multiply
489,024.91x = 733,458.68 × 133,955.92 - Step 4: Simplify right side
489,024.91x = 98,251,132,261.39 - Step 5: Solve for x
x = 98,251,132,261.39/489,024.91 - Step 6: Final answer
x = 200,912.33
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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.