Home / 278,067.80-383,732.64-150,743.40

Finding the Fourth Proportional to 278,067.80, 383,732.64 and 150,743.40

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Solution

The fourth proportional to 278,067.80, 383,732.64 and 150,743.40 is: 208,025.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    278,067.80 : 383,732.64 = 150,743.40 : x
  2. Step 2: Convert to fraction form
    278,067.80/383,732.64 = 150,743.40/x
  3. Step 3: Cross multiply
    278,067.80x = 383,732.64 × 150,743.40
  4. Step 4: Simplify right side
    278,067.80x = 57,845,162,844.58
  5. Step 5: Solve for x
    x = 57,845,162,844.58/278,067.80
  6. Step 6: Final answer
    x = 208,025.39

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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.