Home / 330,767.28-495,757.20-230,383.92

Finding the Fourth Proportional to 330,767.28, 495,757.20 and 230,383.92

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Solution

The fourth proportional to 330,767.28, 495,757.20 and 230,383.92 is: 345,301.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,767.28 : 495,757.20 = 230,383.92 : x
  2. Step 2: Convert to fraction form
    330,767.28/495,757.20 = 230,383.92/x
  3. Step 3: Cross multiply
    330,767.28x = 495,757.20 × 230,383.92
  4. Step 4: Simplify right side
    330,767.28x = 114,214,487,104.22
  5. Step 5: Solve for x
    x = 114,214,487,104.22/330,767.28
  6. Step 6: Final answer
    x = 345,301.65

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1.5x scale

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.