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Finding the Fourth Proportional to 220,754.88, 330,834.24 and 158,287.68

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Solution

The fourth proportional to 220,754.88, 330,834.24 and 158,287.68 is: 237,217.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,754.88 : 330,834.24 = 158,287.68 : x
  2. Step 2: Convert to fraction form
    220,754.88/330,834.24 = 158,287.68/x
  3. Step 3: Cross multiply
    220,754.88x = 330,834.24 × 158,287.68
  4. Step 4: Simplify right side
    220,754.88x = 52,366,984,314.16
  5. Step 5: Solve for x
    x = 52,366,984,314.16/220,754.88
  6. Step 6: Final answer
    x = 237,217.79

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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.