Home / 330,744.18-495,825-131,204.70

Finding the Fourth Proportional to 330,744.18, 495,825 and 131,204.70

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Solution

The fourth proportional to 330,744.18, 495,825 and 131,204.70 is: 196,691.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,744.18 : 495,825 = 131,204.70 : x
  2. Step 2: Convert to fraction form
    330,744.18/495,825 = 131,204.70/x
  3. Step 3: Cross multiply
    330,744.18x = 495,825 × 131,204.70
  4. Step 4: Simplify right side
    330,744.18x = 65,054,570,377.50
  5. Step 5: Solve for x
    x = 65,054,570,377.50/330,744.18
  6. Step 6: Final answer
    x = 196,691.50

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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.