Finding the Fourth Proportional to 117,589.60, 176,125.20 and 104,456.80
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Solution
The fourth proportional to 117,589.60, 176,125.20 and 104,456.80 is: 156,454.95
Step by Step Solution
- Step 1: Write the proportion equation
117,589.60 : 176,125.20 = 104,456.80 : x - Step 2: Convert to fraction form
117,589.60/176,125.20 = 104,456.80/x - Step 3: Cross multiply
117,589.60x = 176,125.20 × 104,456.80 - Step 4: Simplify right side
117,589.60x = 18,397,474,791.36 - Step 5: Solve for x
x = 18,397,474,791.36/117,589.60 - Step 6: Final answer
x = 156,454.95
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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.