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Finding the Fourth Proportional to 381,897.89, 571,974.71 and 182,358.74

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Solution

The fourth proportional to 381,897.89, 571,974.71 and 182,358.74 is: 273,121.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    381,897.89 : 571,974.71 = 182,358.74 : x
  2. Step 2: Convert to fraction form
    381,897.89/571,974.71 = 182,358.74/x
  3. Step 3: Cross multiply
    381,897.89x = 571,974.71 × 182,358.74
  4. Step 4: Simplify right side
    381,897.89x = 104,304,586,515.67
  5. Step 5: Solve for x
    x = 104,304,586,515.67/381,897.89
  6. Step 6: Final answer
    x = 273,121.66

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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.