Finding the Fourth Proportional to 129,724.26, 194,207.28 and 117,272.94
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Solution
The fourth proportional to 129,724.26, 194,207.28 and 117,272.94 is: 175,566.69
Step by Step Solution
- Step 1: Write the proportion equation
129,724.26 : 194,207.28 = 117,272.94 : x - Step 2: Convert to fraction form
129,724.26/194,207.28 = 117,272.94/x - Step 3: Cross multiply
129,724.26x = 194,207.28 × 117,272.94 - Step 4: Simplify right side
129,724.26x = 22,775,258,695.00 - Step 5: Solve for x
x = 22,775,258,695.00/129,724.26 - Step 6: Final answer
x = 175,566.69
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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.