Home / 242,711.40-364,067.10-136,423.20

Finding the Fourth Proportional to 242,711.40, 364,067.10 and 136,423.20

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Solution

The fourth proportional to 242,711.40, 364,067.10 and 136,423.20 is: 204,634.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,711.40 : 364,067.10 = 136,423.20 : x
  2. Step 2: Convert to fraction form
    242,711.40/364,067.10 = 136,423.20/x
  3. Step 3: Cross multiply
    242,711.40x = 364,067.10 × 136,423.20
  4. Step 4: Simplify right side
    242,711.40x = 49,667,198,796.72
  5. Step 5: Solve for x
    x = 49,667,198,796.72/242,711.40
  6. Step 6: Final answer
    x = 204,634.80

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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.