Finding the Fourth Proportional to 515,065.20, 772,524.90 and 160,115.10
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Solution
The fourth proportional to 515,065.20, 772,524.90 and 160,115.10 is: 240,149.99
Step by Step Solution
- Step 1: Write the proportion equation
515,065.20 : 772,524.90 = 160,115.10 : x - Step 2: Convert to fraction form
515,065.20/772,524.90 = 160,115.10/x - Step 3: Cross multiply
515,065.20x = 772,524.90 × 160,115.10 - Step 4: Simplify right side
515,065.20x = 123,692,901,615.99 - Step 5: Solve for x
x = 123,692,901,615.99/515,065.20 - Step 6: Final answer
x = 240,149.99
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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.