Finding the Fourth Proportional to 121,447.28, 182,141.52 and 62,252.48
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Solution
The fourth proportional to 121,447.28, 182,141.52 and 62,252.48 is: 93,363.65
Step by Step Solution
- Step 1: Write the proportion equation
121,447.28 : 182,141.52 = 62,252.48 : x - Step 2: Convert to fraction form
121,447.28/182,141.52 = 62,252.48/x - Step 3: Cross multiply
121,447.28x = 182,141.52 × 62,252.48 - Step 4: Simplify right side
121,447.28x = 11,338,761,330.97 - Step 5: Solve for x
x = 11,338,761,330.97/121,447.28 - Step 6: Final answer
x = 93,363.65
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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.