Home / 327,022.20-489,366.90-226,711.80

Finding the Fourth Proportional to 327,022.20, 489,366.90 and 226,711.80

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Solution

The fourth proportional to 327,022.20, 489,366.90 and 226,711.80 is: 339,259.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    327,022.20 : 489,366.90 = 226,711.80 : x
  2. Step 2: Convert to fraction form
    327,022.20/489,366.90 = 226,711.80/x
  3. Step 3: Cross multiply
    327,022.20x = 489,366.90 × 226,711.80
  4. Step 4: Simplify right side
    327,022.20x = 110,945,250,759.42
  5. Step 5: Solve for x
    x = 110,945,250,759.42/327,022.20
  6. Step 6: Final answer
    x = 339,259.08

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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.