Home / 150,917.28-226,399.36-45,711.20

Finding the Fourth Proportional to 150,917.28, 226,399.36 and 45,711.20

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Solution

The fourth proportional to 150,917.28, 226,399.36 and 45,711.20 is: 68,573.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,917.28 : 226,399.36 = 45,711.20 : x
  2. Step 2: Convert to fraction form
    150,917.28/226,399.36 = 45,711.20/x
  3. Step 3: Cross multiply
    150,917.28x = 226,399.36 × 45,711.20
  4. Step 4: Simplify right side
    150,917.28x = 10,348,986,424.83
  5. Step 5: Solve for x
    x = 10,348,986,424.83/150,917.28
  6. Step 6: Final answer
    x = 68,573.90

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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.