Home / 361,972.25-499,535.06-218,704.61

Finding the Fourth Proportional to 361,972.25, 499,535.06 and 218,704.61

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Solution

The fourth proportional to 361,972.25, 499,535.06 and 218,704.61 is: 301,820.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    361,972.25 : 499,535.06 = 218,704.61 : x
  2. Step 2: Convert to fraction form
    361,972.25/499,535.06 = 218,704.61/x
  3. Step 3: Cross multiply
    361,972.25x = 499,535.06 × 218,704.61
  4. Step 4: Simplify right side
    361,972.25x = 109,250,620,478.63
  5. Step 5: Solve for x
    x = 109,250,620,478.63/361,972.25
  6. Step 6: Final answer
    x = 301,820.43

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.