Home / 351,286.20-484,655.97-228,722.61

Finding the Fourth Proportional to 351,286.20, 484,655.97 and 228,722.61

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Solution

The fourth proportional to 351,286.20, 484,655.97 and 228,722.61 is: 315,559.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,286.20 : 484,655.97 = 228,722.61 : x
  2. Step 2: Convert to fraction form
    351,286.20/484,655.97 = 228,722.61/x
  3. Step 3: Cross multiply
    351,286.20x = 484,655.97 × 228,722.61
  4. Step 4: Simplify right side
    351,286.20x = 110,851,778,410.48
  5. Step 5: Solve for x
    x = 110,851,778,410.48/351,286.20
  6. Step 6: Final answer
    x = 315,559.73

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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.