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Finding the Fourth Proportional to 392,247.84, 588,377.84 and 111,771.68

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Solution

The fourth proportional to 392,247.84, 588,377.84 and 111,771.68 is: 167,659.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    392,247.84 : 588,377.84 = 111,771.68 : x
  2. Step 2: Convert to fraction form
    392,247.84/588,377.84 = 111,771.68/x
  3. Step 3: Cross multiply
    392,247.84x = 588,377.84 × 111,771.68
  4. Step 4: Simplify right side
    392,247.84x = 65,763,979,651.57
  5. Step 5: Solve for x
    x = 65,763,979,651.57/392,247.84
  6. Step 6: Final answer
    x = 167,659.25

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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.