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Finding the Fourth Proportional to 268,893.78, 371,067.57 and 148,030.44

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Solution

The fourth proportional to 268,893.78, 371,067.57 and 148,030.44 is: 204,278.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,893.78 : 371,067.57 = 148,030.44 : x
  2. Step 2: Convert to fraction form
    268,893.78/371,067.57 = 148,030.44/x
  3. Step 3: Cross multiply
    268,893.78x = 371,067.57 × 148,030.44
  4. Step 4: Simplify right side
    268,893.78x = 54,929,295,656.83
  5. Step 5: Solve for x
    x = 54,929,295,656.83/268,893.78
  6. Step 6: Final answer
    x = 204,278.79

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.