Home / 204,932.40-307,067.40-115,921.20

Finding the Fourth Proportional to 204,932.40, 307,067.40 and 115,921.20

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Solution

The fourth proportional to 204,932.40, 307,067.40 and 115,921.20 is: 173,694.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,932.40 : 307,067.40 = 115,921.20 : x
  2. Step 2: Convert to fraction form
    204,932.40/307,067.40 = 115,921.20/x
  3. Step 3: Cross multiply
    204,932.40x = 307,067.40 × 115,921.20
  4. Step 4: Simplify right side
    204,932.40x = 35,595,621,488.88
  5. Step 5: Solve for x
    x = 35,595,621,488.88/204,932.40
  6. Step 6: Final answer
    x = 173,694.45

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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.