Home / 276,806.13-381,992.46-149,481.72

Finding the Fourth Proportional to 276,806.13, 381,992.46 and 149,481.72

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Solution

The fourth proportional to 276,806.13, 381,992.46 and 149,481.72 is: 206,284.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,806.13 : 381,992.46 = 149,481.72 : x
  2. Step 2: Convert to fraction form
    276,806.13/381,992.46 = 149,481.72/x
  3. Step 3: Cross multiply
    276,806.13x = 381,992.46 × 149,481.72
  4. Step 4: Simplify right side
    276,806.13x = 57,100,889,387.27
  5. Step 5: Solve for x
    x = 57,100,889,387.27/276,806.13
  6. Step 6: Final answer
    x = 206,284.77

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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.