Finding the Fourth Proportional to 94,221.97, 141,359.33 and 38,101.49
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Solution
The fourth proportional to 94,221.97, 141,359.33 and 38,101.49 is: 57,162.90
Step by Step Solution
- Step 1: Write the proportion equation
94,221.97 : 141,359.33 = 38,101.49 : x - Step 2: Convert to fraction form
94,221.97/141,359.33 = 38,101.49/x - Step 3: Cross multiply
94,221.97x = 141,359.33 × 38,101.49 - Step 4: Simplify right side
94,221.97x = 5,386,000,439.23 - Step 5: Solve for x
x = 5,386,000,439.23/94,221.97 - Step 6: Final answer
x = 57,162.90
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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.