Finding the Fourth Proportional to 202,390.97, 279,324.17 and 117,508.04
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Solution
The fourth proportional to 202,390.97, 279,324.17 and 117,508.04 is: 162,175.39
Step by Step Solution
- Step 1: Write the proportion equation
202,390.97 : 279,324.17 = 117,508.04 : x - Step 2: Convert to fraction form
202,390.97/279,324.17 = 117,508.04/x - Step 3: Cross multiply
202,390.97x = 279,324.17 × 117,508.04 - Step 4: Simplify right side
202,390.97x = 32,822,833,757.17 - Step 5: Solve for x
x = 32,822,833,757.17/202,390.97 - Step 6: Final answer
x = 162,175.39
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.