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Finding the Fourth Proportional to 308,067.74, 462,154.15 and 137,351.39

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Solution

The fourth proportional to 308,067.74, 462,154.15 and 137,351.39 is: 206,050.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    308,067.74 : 462,154.15 = 137,351.39 : x
  2. Step 2: Convert to fraction form
    308,067.74/462,154.15 = 137,351.39/x
  3. Step 3: Cross multiply
    308,067.74x = 462,154.15 × 137,351.39
  4. Step 4: Simplify right side
    308,067.74x = 63,477,514,896.77
  5. Step 5: Solve for x
    x = 63,477,514,896.77/308,067.74
  6. Step 6: Final answer
    x = 206,050.51

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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.