Finding the Fourth Proportional to 117,549.80, 176,350.62 and 38,660.84
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Solution
The fourth proportional to 117,549.80, 176,350.62 and 38,660.84 is: 57,999.78
Step by Step Solution
- Step 1: Write the proportion equation
117,549.80 : 176,350.62 = 38,660.84 : x - Step 2: Convert to fraction form
117,549.80/176,350.62 = 38,660.84/x - Step 3: Cross multiply
117,549.80x = 176,350.62 × 38,660.84 - Step 4: Simplify right side
117,549.80x = 6,817,863,103.72 - Step 5: Solve for x
x = 6,817,863,103.72/117,549.80 - Step 6: Final answer
x = 57,999.78
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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.