Finding the Fourth Proportional to 179,251.76, 268,934.14 and 84,478.10
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Solution
The fourth proportional to 179,251.76, 268,934.14 and 84,478.10 is: 126,743.78
Step by Step Solution
- Step 1: Write the proportion equation
179,251.76 : 268,934.14 = 84,478.10 : x - Step 2: Convert to fraction form
179,251.76/268,934.14 = 84,478.10/x - Step 3: Cross multiply
179,251.76x = 268,934.14 × 84,478.10 - Step 4: Simplify right side
179,251.76x = 22,719,045,172.33 - Step 5: Solve for x
x = 22,719,045,172.33/179,251.76 - Step 6: Final answer
x = 126,743.78
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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.