Finding the Fourth Proportional to 154,691.76, 232,253.15 and 79,865.84
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Solution
The fourth proportional to 154,691.76, 232,253.15 and 79,865.84 is: 119,910.02
Step by Step Solution
- Step 1: Write the proportion equation
154,691.76 : 232,253.15 = 79,865.84 : x - Step 2: Convert to fraction form
154,691.76/232,253.15 = 79,865.84/x - Step 3: Cross multiply
154,691.76x = 232,253.15 × 79,865.84 - Step 4: Simplify right side
154,691.76x = 18,549,091,356.80 - Step 5: Solve for x
x = 18,549,091,356.80/154,691.76 - Step 6: Final answer
x = 119,910.02
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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.