Home / 221,983.20-332,999.10-214,984.80

Finding the Fourth Proportional to 221,983.20, 332,999.10 and 214,984.80

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Solution

The fourth proportional to 221,983.20, 332,999.10 and 214,984.80 is: 322,500.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,983.20 : 332,999.10 = 214,984.80 : x
  2. Step 2: Convert to fraction form
    221,983.20/332,999.10 = 214,984.80/x
  3. Step 3: Cross multiply
    221,983.20x = 332,999.10 × 214,984.80
  4. Step 4: Simplify right side
    221,983.20x = 71,589,744,913.68
  5. Step 5: Solve for x
    x = 71,589,744,913.68/221,983.20
  6. Step 6: Final answer
    x = 322,500.73

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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.