Home / 381,195.62-571,828.82-272,107.25

Finding the Fourth Proportional to 381,195.62, 571,828.82 and 272,107.25

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Solution

The fourth proportional to 381,195.62, 571,828.82 and 272,107.25 is: 408,186.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    381,195.62 : 571,828.82 = 272,107.25 : x
  2. Step 2: Convert to fraction form
    381,195.62/571,828.82 = 272,107.25/x
  3. Step 3: Cross multiply
    381,195.62x = 571,828.82 × 272,107.25
  4. Step 4: Simplify right side
    381,195.62x = 155,598,765,605.62
  5. Step 5: Solve for x
    x = 155,598,765,605.62/381,195.62
  6. Step 6: Final answer
    x = 408,186.13

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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.