Home / 337,067.12-505,476.66-137,279

Finding the Fourth Proportional to 337,067.12, 505,476.66 and 137,279

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Solution

The fourth proportional to 337,067.12, 505,476.66 and 137,279 is: 205,867.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    337,067.12 : 505,476.66 = 137,279 : x
  2. Step 2: Convert to fraction form
    337,067.12/505,476.66 = 137,279/x
  3. Step 3: Cross multiply
    337,067.12x = 505,476.66 × 137,279
  4. Step 4: Simplify right side
    337,067.12x = 69,391,330,408.14
  5. Step 5: Solve for x
    x = 69,391,330,408.14/337,067.12
  6. Step 6: Final answer
    x = 205,867.99

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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.