Finding the Fourth Proportional to 279,934.20, 419,901.30 and 246,691.80
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Solution
The fourth proportional to 279,934.20, 419,901.30 and 246,691.80 is: 370,037.70
Step by Step Solution
- Step 1: Write the proportion equation
279,934.20 : 419,901.30 = 246,691.80 : x - Step 2: Convert to fraction form
279,934.20/419,901.30 = 246,691.80/x - Step 3: Cross multiply
279,934.20x = 419,901.30 × 246,691.80 - Step 4: Simplify right side
279,934.20x = 103,586,207,519.34 - Step 5: Solve for x
x = 103,586,207,519.34/279,934.20 - Step 6: Final answer
x = 370,037.70
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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.