Home / 286,385.12-396,067.77-250,512.83

Finding the Fourth Proportional to 286,385.12, 396,067.77 and 250,512.83

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Solution

The fourth proportional to 286,385.12, 396,067.77 and 250,512.83 is: 346,456.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,385.12 : 396,067.77 = 250,512.83 : x
  2. Step 2: Convert to fraction form
    286,385.12/396,067.77 = 250,512.83/x
  3. Step 3: Cross multiply
    286,385.12x = 396,067.77 × 250,512.83
  4. Step 4: Simplify right side
    286,385.12x = 99,220,055,954.15
  5. Step 5: Solve for x
    x = 99,220,055,954.15/286,385.12
  6. Step 6: Final answer
    x = 346,456.75

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1.5x scale

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.