Home / 381,780.38-572,417.82-182,131.58

Finding the Fourth Proportional to 381,780.38, 572,417.82 and 182,131.58

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Solution

The fourth proportional to 381,780.38, 572,417.82 and 182,131.58 is: 273,076.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    381,780.38 : 572,417.82 = 182,131.58 : x
  2. Step 2: Convert to fraction form
    381,780.38/572,417.82 = 182,131.58/x
  3. Step 3: Cross multiply
    381,780.38x = 572,417.82 × 182,131.58
  4. Step 4: Simplify right side
    381,780.38x = 104,255,359,114.67
  5. Step 5: Solve for x
    x = 104,255,359,114.67/381,780.38
  6. Step 6: Final answer
    x = 273,076.79

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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.