Home / 221,839.72-332,759.30-53,359.96

Finding the Fourth Proportional to 221,839.72, 332,759.30 and 53,359.96

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Solution

The fourth proportional to 221,839.72, 332,759.30 and 53,359.96 is: 80,039.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,839.72 : 332,759.30 = 53,359.96 : x
  2. Step 2: Convert to fraction form
    221,839.72/332,759.30 = 53,359.96/x
  3. Step 3: Cross multiply
    221,839.72x = 332,759.30 × 53,359.96
  4. Step 4: Simplify right side
    221,839.72x = 17,756,022,937.63
  5. Step 5: Solve for x
    x = 17,756,022,937.63/221,839.72
  6. Step 6: Final answer
    x = 80,039.87

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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.