Home / 226,720.20-340,080.30-187,321.80

Finding the Fourth Proportional to 226,720.20, 340,080.30 and 187,321.80

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Solution

The fourth proportional to 226,720.20, 340,080.30 and 187,321.80 is: 280,982.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,720.20 : 340,080.30 = 187,321.80 : x
  2. Step 2: Convert to fraction form
    226,720.20/340,080.30 = 187,321.80/x
  3. Step 3: Cross multiply
    226,720.20x = 340,080.30 × 187,321.80
  4. Step 4: Simplify right side
    226,720.20x = 63,704,453,940.54
  5. Step 5: Solve for x
    x = 63,704,453,940.54/226,720.20
  6. Step 6: Final answer
    x = 280,982.70

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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.