Home / 379,126.32-568,531.36-154,334.17

Finding the Fourth Proportional to 379,126.32, 568,531.36 and 154,334.17

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Solution

The fourth proportional to 379,126.32, 568,531.36 and 154,334.17 is: 231,436.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    379,126.32 : 568,531.36 = 154,334.17 : x
  2. Step 2: Convert to fraction form
    379,126.32/568,531.36 = 154,334.17/x
  3. Step 3: Cross multiply
    379,126.32x = 568,531.36 × 154,334.17
  4. Step 4: Simplify right side
    379,126.32x = 87,743,815,564.57
  5. Step 5: Solve for x
    x = 87,743,815,564.57/379,126.32
  6. Step 6: Final answer
    x = 231,436.89

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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.