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Finding the Fourth Proportional to 379,084.97, 568,954.97 and 154,569.17

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Solution

The fourth proportional to 379,084.97, 568,954.97 and 154,569.17 is: 231,987.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    379,084.97 : 568,954.97 = 154,569.17 : x
  2. Step 2: Convert to fraction form
    379,084.97/568,954.97 = 154,569.17/x
  3. Step 3: Cross multiply
    379,084.97x = 568,954.97 × 154,569.17
  4. Step 4: Simplify right side
    379,084.97x = 87,942,897,480.27
  5. Step 5: Solve for x
    x = 87,942,897,480.27/379,084.97
  6. Step 6: Final answer
    x = 231,987.30

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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.