Home / 331,621.20-457,984.61-228,523.45

Finding the Fourth Proportional to 331,621.20, 457,984.61 and 228,523.45

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Solution

The fourth proportional to 331,621.20, 457,984.61 and 228,523.45 is: 315,601.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,621.20 : 457,984.61 = 228,523.45 : x
  2. Step 2: Convert to fraction form
    331,621.20/457,984.61 = 228,523.45/x
  3. Step 3: Cross multiply
    331,621.20x = 457,984.61 × 228,523.45
  4. Step 4: Simplify right side
    331,621.20x = 104,660,223,124.11
  5. Step 5: Solve for x
    x = 104,660,223,124.11/331,621.20
  6. Step 6: Final answer
    x = 315,601.73

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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.