Home / 262,979.20-394,906.20-144,735.40

Finding the Fourth Proportional to 262,979.20, 394,906.20 and 144,735.40

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Solution

The fourth proportional to 262,979.20, 394,906.20 and 144,735.40 is: 217,343.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,979.20 : 394,906.20 = 144,735.40 : x
  2. Step 2: Convert to fraction form
    262,979.20/394,906.20 = 144,735.40/x
  3. Step 3: Cross multiply
    262,979.20x = 394,906.20 × 144,735.40
  4. Step 4: Simplify right side
    262,979.20x = 57,156,906,819.48
  5. Step 5: Solve for x
    x = 57,156,906,819.48/262,979.20
  6. Step 6: Final answer
    x = 217,343.83

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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.