Home / 345,330.24-517,787.52-135,067.20

Finding the Fourth Proportional to 345,330.24, 517,787.52 and 135,067.20

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Solution

The fourth proportional to 345,330.24, 517,787.52 and 135,067.20 is: 202,519.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    345,330.24 : 517,787.52 = 135,067.20 : x
  2. Step 2: Convert to fraction form
    345,330.24/517,787.52 = 135,067.20/x
  3. Step 3: Cross multiply
    345,330.24x = 517,787.52 × 135,067.20
  4. Step 4: Simplify right side
    345,330.24x = 69,936,110,521.34
  5. Step 5: Solve for x
    x = 69,936,110,521.34/345,330.24
  6. Step 6: Final answer
    x = 202,519.51

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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.