Finding the Fourth Proportional to 92,402.13, 138,620.30 and 29,238.17
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Solution
The fourth proportional to 92,402.13, 138,620.30 and 29,238.17 is: 43,862.66
Step by Step Solution
- Step 1: Write the proportion equation
92,402.13 : 138,620.30 = 29,238.17 : x - Step 2: Convert to fraction form
92,402.13/138,620.30 = 29,238.17/x - Step 3: Cross multiply
92,402.13x = 138,620.30 × 29,238.17 - Step 4: Simplify right side
92,402.13x = 4,053,003,057.56 - Step 5: Solve for x
x = 4,053,003,057.56/92,402.13 - Step 6: Final answer
x = 43,862.66
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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.