Home / 396,255.78-594,362.97-129,981.24

Finding the Fourth Proportional to 396,255.78, 594,362.97 and 129,981.24

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Solution

The fourth proportional to 396,255.78, 594,362.97 and 129,981.24 is: 194,965.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    396,255.78 : 594,362.97 = 129,981.24 : x
  2. Step 2: Convert to fraction form
    396,255.78/594,362.97 = 129,981.24/x
  3. Step 3: Cross multiply
    396,255.78x = 594,362.97 × 129,981.24
  4. Step 4: Simplify right side
    396,255.78x = 77,256,035,850.68
  5. Step 5: Solve for x
    x = 77,256,035,850.68/396,255.78
  6. Step 6: Final answer
    x = 194,965.07

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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.