Home / 524,821.20-787,231.80-169,861.20

Finding the Fourth Proportional to 524,821.20, 787,231.80 and 169,861.20

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Solution

The fourth proportional to 524,821.20, 787,231.80 and 169,861.20 is: 254,791.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    524,821.20 : 787,231.80 = 169,861.20 : x
  2. Step 2: Convert to fraction form
    524,821.20/787,231.80 = 169,861.20/x
  3. Step 3: Cross multiply
    524,821.20x = 787,231.80 × 169,861.20
  4. Step 4: Simplify right side
    524,821.20x = 133,720,138,226.16
  5. Step 5: Solve for x
    x = 133,720,138,226.16/524,821.20
  6. Step 6: Final answer
    x = 254,791.80

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Similar ratio
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1.5x scale

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.