Home / 239,310.60-358,896.78-81,535.56

Finding the Fourth Proportional to 239,310.60, 358,896.78 and 81,535.56

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Solution

The fourth proportional to 239,310.60, 358,896.78 and 81,535.56 is: 122,279.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,310.60 : 358,896.78 = 81,535.56 : x
  2. Step 2: Convert to fraction form
    239,310.60/358,896.78 = 81,535.56/x
  3. Step 3: Cross multiply
    239,310.60x = 358,896.78 × 81,535.56
  4. Step 4: Simplify right side
    239,310.60x = 29,262,849,939.50
  5. Step 5: Solve for x
    x = 29,262,849,939.50/239,310.60
  6. Step 6: Final answer
    x = 122,279.79

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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.