Finding the Fourth Proportional to 518,034.26, 777,156.50 and 162,965.70
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Solution
The fourth proportional to 518,034.26, 777,156.50 and 162,965.70 is: 244,481.62
Step by Step Solution
- Step 1: Write the proportion equation
518,034.26 : 777,156.50 = 162,965.70 : x - Step 2: Convert to fraction form
518,034.26/777,156.50 = 162,965.70/x - Step 3: Cross multiply
518,034.26x = 777,156.50 × 162,965.70 - Step 4: Simplify right side
518,034.26x = 126,649,852,217.22 - Step 5: Solve for x
x = 126,649,852,217.22/518,034.26 - Step 6: Final answer
x = 244,481.62
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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.