Home / 226,912.19-340,288.70-66,945.69

Finding the Fourth Proportional to 226,912.19, 340,288.70 and 66,945.69

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Solution

The fourth proportional to 226,912.19, 340,288.70 and 66,945.69 is: 100,395.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,912.19 : 340,288.70 = 66,945.69 : x
  2. Step 2: Convert to fraction form
    226,912.19/340,288.70 = 66,945.69/x
  3. Step 3: Cross multiply
    226,912.19x = 340,288.70 × 66,945.69
  4. Step 4: Simplify right side
    226,912.19x = 22,780,861,485.97
  5. Step 5: Solve for x
    x = 22,780,861,485.97/226,912.19
  6. Step 6: Final answer
    x = 100,395.06

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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.