Finding the Fourth Proportional to 391,233.08, 586,880.94 and 125,031.44
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Solution
The fourth proportional to 391,233.08, 586,880.94 and 125,031.44 is: 187,557.17
Step by Step Solution
- Step 1: Write the proportion equation
391,233.08 : 586,880.94 = 125,031.44 : x - Step 2: Convert to fraction form
391,233.08/586,880.94 = 125,031.44/x - Step 3: Cross multiply
391,233.08x = 586,880.94 × 125,031.44 - Step 4: Simplify right side
391,233.08x = 73,378,569,036.75 - Step 5: Solve for x
x = 73,378,569,036.75/391,233.08 - Step 6: Final answer
x = 187,557.17
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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.