Home / 327,923.40-491,885.20-253,152.70

Finding the Fourth Proportional to 327,923.40, 491,885.20 and 253,152.70

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Solution

The fourth proportional to 327,923.40, 491,885.20 and 253,152.70 is: 379,729.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    327,923.40 : 491,885.20 = 253,152.70 : x
  2. Step 2: Convert to fraction form
    327,923.40/491,885.20 = 253,152.70/x
  3. Step 3: Cross multiply
    327,923.40x = 491,885.20 × 253,152.70
  4. Step 4: Simplify right side
    327,923.40x = 124,522,066,470.04
  5. Step 5: Solve for x
    x = 124,522,066,470.04/327,923.40
  6. Step 6: Final answer
    x = 379,729.13

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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.