Finding the Fourth Proportional to 121,382.07, 182,073.11 and 38,276.07
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Solution
The fourth proportional to 121,382.07, 182,073.11 and 38,276.07 is: 57,414.11
Step by Step Solution
- Step 1: Write the proportion equation
121,382.07 : 182,073.11 = 38,276.07 : x - Step 2: Convert to fraction form
121,382.07/182,073.11 = 38,276.07/x - Step 3: Cross multiply
121,382.07x = 182,073.11 × 38,276.07 - Step 4: Simplify right side
121,382.07x = 6,969,042,912.10 - Step 5: Solve for x
x = 6,969,042,912.10/121,382.07 - Step 6: Final answer
x = 57,414.11
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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.