Home / 381,379.06-572,153.64-125,223.04

Finding the Fourth Proportional to 381,379.06, 572,153.64 and 125,223.04

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Solution

The fourth proportional to 381,379.06, 572,153.64 and 125,223.04 is: 187,862.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    381,379.06 : 572,153.64 = 125,223.04 : x
  2. Step 2: Convert to fraction form
    381,379.06/572,153.64 = 125,223.04/x
  3. Step 3: Cross multiply
    381,379.06x = 572,153.64 × 125,223.04
  4. Step 4: Simplify right side
    381,379.06x = 71,646,818,147.87
  5. Step 5: Solve for x
    x = 71,646,818,147.87/381,379.06
  6. Step 6: Final answer
    x = 187,862.49

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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.