Home / 269,320.20-403,640.10-136,237.20

Finding the Fourth Proportional to 269,320.20, 403,640.10 and 136,237.20

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Solution

The fourth proportional to 269,320.20, 403,640.10 and 136,237.20 is: 204,183.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,320.20 : 403,640.10 = 136,237.20 : x
  2. Step 2: Convert to fraction form
    269,320.20/403,640.10 = 136,237.20/x
  3. Step 3: Cross multiply
    269,320.20x = 403,640.10 × 136,237.20
  4. Step 4: Simplify right side
    269,320.20x = 54,990,797,031.72
  5. Step 5: Solve for x
    x = 54,990,797,031.72/269,320.20
  6. Step 6: Final answer
    x = 204,183.71

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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.