Finding the Fourth Proportional to 512,091.18, 706,951.68 and 374,115.42
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Solution
The fourth proportional to 512,091.18, 706,951.68 and 374,115.42 is: 516,473.50
Step by Step Solution
- Step 1: Write the proportion equation
512,091.18 : 706,951.68 = 374,115.42 : x - Step 2: Convert to fraction form
512,091.18/706,951.68 = 374,115.42/x - Step 3: Cross multiply
512,091.18x = 706,951.68 × 374,115.42 - Step 4: Simplify right side
512,091.18x = 264,481,524,682.91 - Step 5: Solve for x
x = 264,481,524,682.91/512,091.18 - Step 6: Final answer
x = 516,473.50
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.