Home / 381,076.92-525,848.25-219,983.85

Finding the Fourth Proportional to 381,076.92, 525,848.25 and 219,983.85

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Solution

The fourth proportional to 381,076.92, 525,848.25 and 219,983.85 is: 303,555.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    381,076.92 : 525,848.25 = 219,983.85 : x
  2. Step 2: Convert to fraction form
    381,076.92/525,848.25 = 219,983.85/x
  3. Step 3: Cross multiply
    381,076.92x = 525,848.25 × 219,983.85
  4. Step 4: Simplify right side
    381,076.92x = 115,678,123,375.70
  5. Step 5: Solve for x
    x = 115,678,123,375.70/381,076.92
  6. Step 6: Final answer
    x = 303,555.84

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.