Home / 422,180.26-633,309.33-137,872.30

Finding the Fourth Proportional to 422,180.26, 633,309.33 and 137,872.30

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Solution

The fourth proportional to 422,180.26, 633,309.33 and 137,872.30 is: 206,821.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    422,180.26 : 633,309.33 = 137,872.30 : x
  2. Step 2: Convert to fraction form
    422,180.26/633,309.33 = 137,872.30/x
  3. Step 3: Cross multiply
    422,180.26x = 633,309.33 × 137,872.30
  4. Step 4: Simplify right side
    422,180.26x = 87,315,813,249.20
  5. Step 5: Solve for x
    x = 87,315,813,249.20/422,180.26
  6. Step 6: Final answer
    x = 206,821.17

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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.