Home / 288,375.07-395,067.22-277,593.43

Finding the Fourth Proportional to 288,375.07, 395,067.22 and 277,593.43

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Solution

The fourth proportional to 288,375.07, 395,067.22 and 277,593.43 is: 380,296.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,375.07 : 395,067.22 = 277,593.43 : x
  2. Step 2: Convert to fraction form
    288,375.07/395,067.22 = 277,593.43/x
  3. Step 3: Cross multiply
    288,375.07x = 395,067.22 × 277,593.43
  4. Step 4: Simplify right side
    288,375.07x = 109,668,063,292.40
  5. Step 5: Solve for x
    x = 109,668,063,292.40/288,375.07
  6. Step 6: Final answer
    x = 380,296.62

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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.