Home / 238,764.49-329,488.11-131,334.50

Finding the Fourth Proportional to 238,764.49, 329,488.11 and 131,334.50

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Solution

The fourth proportional to 238,764.49, 329,488.11 and 131,334.50 is: 181,237.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,764.49 : 329,488.11 = 131,334.50 : x
  2. Step 2: Convert to fraction form
    238,764.49/329,488.11 = 131,334.50/x
  3. Step 3: Cross multiply
    238,764.49x = 329,488.11 × 131,334.50
  4. Step 4: Simplify right side
    238,764.49x = 43,273,157,006.52
  5. Step 5: Solve for x
    x = 43,273,157,006.52/238,764.49
  6. Step 6: Final answer
    x = 181,237.83

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.