Home / 240,145.20-360,225.09-82,371.38

Finding the Fourth Proportional to 240,145.20, 360,225.09 and 82,371.38

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Solution

The fourth proportional to 240,145.20, 360,225.09 and 82,371.38 is: 123,559.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,145.20 : 360,225.09 = 82,371.38 : x
  2. Step 2: Convert to fraction form
    240,145.20/360,225.09 = 82,371.38/x
  3. Step 3: Cross multiply
    240,145.20x = 360,225.09 × 82,371.38
  4. Step 4: Simplify right side
    240,145.20x = 29,672,235,972.80
  5. Step 5: Solve for x
    x = 29,672,235,972.80/240,145.20
  6. Step 6: Final answer
    x = 123,559.56

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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.