Finding the Fourth Proportional to 1,016,207.38, 1,524,311.68 and 258,105.70
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Solution
The fourth proportional to 1,016,207.38, 1,524,311.68 and 258,105.70 is: 387,158.70
Step by Step Solution
- Step 1: Write the proportion equation
1,016,207.38 : 1,524,311.68 = 258,105.70 : x - Step 2: Convert to fraction form
1,016,207.38/1,524,311.68 = 258,105.70/x - Step 3: Cross multiply
1,016,207.38x = 1,524,311.68 × 258,105.70 - Step 4: Simplify right side
1,016,207.38x = 393,433,533,184.58 - Step 5: Solve for x
x = 393,433,533,184.58/1,016,207.38 - Step 6: Final answer
x = 387,158.70
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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.