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Finding the Fourth Proportional to 288,375.54, 395,067.88 and 277,593.92

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Solution

The fourth proportional to 288,375.54, 395,067.88 and 277,593.92 is: 380,297.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,375.54 : 395,067.88 = 277,593.92 : x
  2. Step 2: Convert to fraction form
    288,375.54/395,067.88 = 277,593.92/x
  3. Step 3: Cross multiply
    288,375.54x = 395,067.88 × 277,593.92
  4. Step 4: Simplify right side
    288,375.54x = 109,668,441,475.29
  5. Step 5: Solve for x
    x = 109,668,441,475.29/288,375.54
  6. Step 6: Final answer
    x = 380,297.31

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.