Home / 263,329.28-394,993.92-144,939.68

Finding the Fourth Proportional to 263,329.28, 394,993.92 and 144,939.68

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Solution

The fourth proportional to 263,329.28, 394,993.92 and 144,939.68 is: 217,409.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,329.28 : 394,993.92 = 144,939.68 : x
  2. Step 2: Convert to fraction form
    263,329.28/394,993.92 = 144,939.68/x
  3. Step 3: Cross multiply
    263,329.28x = 394,993.92 × 144,939.68
  4. Step 4: Simplify right side
    263,329.28x = 57,250,292,366.75
  5. Step 5: Solve for x
    x = 57,250,292,366.75/263,329.28
  6. Step 6: Final answer
    x = 217,409.52

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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.