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Finding the Fourth Proportional to 181,302, 271,758.60 and 87,601.20

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Solution

The fourth proportional to 181,302, 271,758.60 and 87,601.20 is: 131,307.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,302 : 271,758.60 = 87,601.20 : x
  2. Step 2: Convert to fraction form
    181,302/271,758.60 = 87,601.20/x
  3. Step 3: Cross multiply
    181,302x = 271,758.60 × 87,601.20
  4. Step 4: Simplify right side
    181,302x = 23,806,379,470.32
  5. Step 5: Solve for x
    x = 23,806,379,470.32/181,302
  6. Step 6: Final answer
    x = 131,307.87

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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.