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Finding the Fourth Proportional to 238,793.67, 329,524.88 and 131,356.89

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Solution

The fourth proportional to 238,793.67, 329,524.88 and 131,356.89 is: 181,266.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,793.67 : 329,524.88 = 131,356.89 : x
  2. Step 2: Convert to fraction form
    238,793.67/329,524.88 = 131,356.89/x
  3. Step 3: Cross multiply
    238,793.67x = 329,524.88 × 131,356.89
  4. Step 4: Simplify right side
    238,793.67x = 43,285,362,757.64
  5. Step 5: Solve for x
    x = 43,285,362,757.64/238,793.67
  6. Step 6: Final answer
    x = 181,266.79

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1.5x scale

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.