Home / 495,626.48-743,440.31-135,800.41

Finding the Fourth Proportional to 495,626.48, 743,440.31 and 135,800.41

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Solution

The fourth proportional to 495,626.48, 743,440.31 and 135,800.41 is: 203,700.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    495,626.48 : 743,440.31 = 135,800.41 : x
  2. Step 2: Convert to fraction form
    495,626.48/743,440.31 = 135,800.41/x
  3. Step 3: Cross multiply
    495,626.48x = 743,440.31 × 135,800.41
  4. Step 4: Simplify right side
    495,626.48x = 100,959,498,908.53
  5. Step 5: Solve for x
    x = 100,959,498,908.53/495,626.48
  6. Step 6: Final answer
    x = 203,700.78

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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.