Home / 256,102.20-383,375.70-228,108.60

Finding the Fourth Proportional to 256,102.20, 383,375.70 and 228,108.60

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Solution

The fourth proportional to 256,102.20, 383,375.70 and 228,108.60 is: 341,470.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    256,102.20 : 383,375.70 = 228,108.60 : x
  2. Step 2: Convert to fraction form
    256,102.20/383,375.70 = 228,108.60/x
  3. Step 3: Cross multiply
    256,102.20x = 383,375.70 × 228,108.60
  4. Step 4: Simplify right side
    256,102.20x = 87,451,294,201.02
  5. Step 5: Solve for x
    x = 87,451,294,201.02/256,102.20
  6. Step 6: Final answer
    x = 341,470.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.