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Finding the Fourth Proportional to 238,527.80, 329,174.40 and 131,100.56

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Solution

The fourth proportional to 238,527.80, 329,174.40 and 131,100.56 is: 180,922.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,527.80 : 329,174.40 = 131,100.56 : x
  2. Step 2: Convert to fraction form
    238,527.80/329,174.40 = 131,100.56/x
  3. Step 3: Cross multiply
    238,527.80x = 329,174.40 × 131,100.56
  4. Step 4: Simplify right side
    238,527.80x = 43,154,948,177.66
  5. Step 5: Solve for x
    x = 43,154,948,177.66/238,527.80
  6. Step 6: Final answer
    x = 180,922.09

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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.