Home / 150,489.28-225,709.31-45,283.65

Finding the Fourth Proportional to 150,489.28, 225,709.31 and 45,283.65

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Solution

The fourth proportional to 150,489.28, 225,709.31 and 45,283.65 is: 67,918.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,489.28 : 225,709.31 = 45,283.65 : x
  2. Step 2: Convert to fraction form
    150,489.28/225,709.31 = 45,283.65/x
  3. Step 3: Cross multiply
    150,489.28x = 225,709.31 × 45,283.65
  4. Step 4: Simplify right side
    150,489.28x = 10,220,940,662.58
  5. Step 5: Solve for x
    x = 10,220,940,662.58/150,489.28
  6. Step 6: Final answer
    x = 67,918.06

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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.