Home / 227,134.40-311,175.24-218,621.43

Finding the Fourth Proportional to 227,134.40, 311,175.24 and 218,621.43

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Solution

The fourth proportional to 227,134.40, 311,175.24 and 218,621.43 is: 299,512.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,134.40 : 311,175.24 = 218,621.43 : x
  2. Step 2: Convert to fraction form
    227,134.40/311,175.24 = 218,621.43/x
  3. Step 3: Cross multiply
    227,134.40x = 311,175.24 × 218,621.43
  4. Step 4: Simplify right side
    227,134.40x = 68,029,575,949.39
  5. Step 5: Solve for x
    x = 68,029,575,949.39/227,134.40
  6. Step 6: Final answer
    x = 299,512.43

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.