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Finding the Fourth Proportional to 227,029.52, 340,019.39 and 219,156.32

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Solution

The fourth proportional to 227,029.52, 340,019.39 and 219,156.32 is: 328,227.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,029.52 : 340,019.39 = 219,156.32 : x
  2. Step 2: Convert to fraction form
    227,029.52/340,019.39 = 219,156.32/x
  3. Step 3: Cross multiply
    227,029.52x = 340,019.39 × 219,156.32
  4. Step 4: Simplify right side
    227,029.52x = 74,517,395,445.17
  5. Step 5: Solve for x
    x = 74,517,395,445.17/227,029.52
  6. Step 6: Final answer
    x = 328,227.79

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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.