Home / 238,961.18-329,692.20-135,578.27

Finding the Fourth Proportional to 238,961.18, 329,692.20 and 135,578.27

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Solution

The fourth proportional to 238,961.18, 329,692.20 and 135,578.27 is: 187,055.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,961.18 : 329,692.20 = 135,578.27 : x
  2. Step 2: Convert to fraction form
    238,961.18/329,692.20 = 135,578.27/x
  3. Step 3: Cross multiply
    238,961.18x = 329,692.20 × 135,578.27
  4. Step 4: Simplify right side
    238,961.18x = 44,699,098,108.49
  5. Step 5: Solve for x
    x = 44,699,098,108.49/238,961.18
  6. Step 6: Final answer
    x = 187,055.90

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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.