Finding the Fourth Proportional to 125,042.12, 187,581.62 and 36,284.08
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Solution
The fourth proportional to 125,042.12, 187,581.62 and 36,284.08 is: 54,431.47
Step by Step Solution
- Step 1: Write the proportion equation
125,042.12 : 187,581.62 = 36,284.08 : x - Step 2: Convert to fraction form
125,042.12/187,581.62 = 36,284.08/x - Step 3: Cross multiply
125,042.12x = 187,581.62 × 36,284.08 - Step 4: Simplify right side
125,042.12x = 6,806,226,506.61 - Step 5: Solve for x
x = 6,806,226,506.61/125,042.12 - Step 6: Final answer
x = 54,431.47
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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.