Home / 269,537.20-404,232.90-79,997.20

Finding the Fourth Proportional to 269,537.20, 404,232.90 and 79,997.20

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Solution

The fourth proportional to 269,537.20, 404,232.90 and 79,997.20 is: 119,974.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,537.20 : 404,232.90 = 79,997.20 : x
  2. Step 2: Convert to fraction form
    269,537.20/404,232.90 = 79,997.20/x
  3. Step 3: Cross multiply
    269,537.20x = 404,232.90 × 79,997.20
  4. Step 4: Simplify right side
    269,537.20x = 32,337,500,147.88
  5. Step 5: Solve for x
    x = 32,337,500,147.88/269,537.20
  6. Step 6: Final answer
    x = 119,974.16

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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.