Finding the Fourth Proportional to 345,508.26, 518,146.62 and 132,226.62
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Solution
The fourth proportional to 345,508.26, 518,146.62 and 132,226.62 is: 198,295.62
Step by Step Solution
- Step 1: Write the proportion equation
345,508.26 : 518,146.62 = 132,226.62 : x - Step 2: Convert to fraction form
345,508.26/518,146.62 = 132,226.62/x - Step 3: Cross multiply
345,508.26x = 518,146.62 × 132,226.62 - Step 4: Simplify right side
345,508.26x = 68,512,776,227.02 - Step 5: Solve for x
x = 68,512,776,227.02/345,508.26 - Step 6: Final answer
x = 198,295.62
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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.