Finding the Fourth Proportional to 202,542.13, 279,508.14 and 113,118.13
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Solution
The fourth proportional to 202,542.13, 279,508.14 and 113,118.13 is: 156,103.02
Step by Step Solution
- Step 1: Write the proportion equation
202,542.13 : 279,508.14 = 113,118.13 : x - Step 2: Convert to fraction form
202,542.13/279,508.14 = 113,118.13/x - Step 3: Cross multiply
202,542.13x = 279,508.14 × 113,118.13 - Step 4: Simplify right side
202,542.13x = 31,617,438,116.58 - Step 5: Solve for x
x = 31,617,438,116.58/202,542.13 - Step 6: Final answer
x = 156,103.02
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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.