Finding the Fourth Proportional to 81,204.92, 121,806.04 and 24,278.96
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Solution
The fourth proportional to 81,204.92, 121,806.04 and 24,278.96 is: 36,418.04
Step by Step Solution
- Step 1: Write the proportion equation
81,204.92 : 121,806.04 = 24,278.96 : x - Step 2: Convert to fraction form
81,204.92/121,806.04 = 24,278.96/x - Step 3: Cross multiply
81,204.92x = 121,806.04 × 24,278.96 - Step 4: Simplify right side
81,204.92x = 2,957,323,972.92 - Step 5: Solve for x
x = 2,957,323,972.92/81,204.92 - Step 6: Final answer
x = 36,418.04
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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.