Home / 547,421.92-821,155.56-187,839.97

Finding the Fourth Proportional to 547,421.92, 821,155.56 and 187,839.97

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Solution

The fourth proportional to 547,421.92, 821,155.56 and 187,839.97 is: 281,767.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    547,421.92 : 821,155.56 = 187,839.97 : x
  2. Step 2: Convert to fraction form
    547,421.92/821,155.56 = 187,839.97/x
  3. Step 3: Cross multiply
    547,421.92x = 821,155.56 × 187,839.97
  4. Step 4: Simplify right side
    547,421.92x = 154,245,835,755.73
  5. Step 5: Solve for x
    x = 154,245,835,755.73/547,421.92
  6. Step 6: Final answer
    x = 281,767.74

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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.