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Finding the Fourth Proportional to 227,781.85, 341,672.78 and 103,122.85

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Solution

The fourth proportional to 227,781.85, 341,672.78 and 103,122.85 is: 154,684.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,781.85 : 341,672.78 = 103,122.85 : x
  2. Step 2: Convert to fraction form
    227,781.85/341,672.78 = 103,122.85/x
  3. Step 3: Cross multiply
    227,781.85x = 341,672.78 × 103,122.85
  4. Step 4: Simplify right side
    227,781.85x = 35,234,270,325.41
  5. Step 5: Solve for x
    x = 35,234,270,325.41/227,781.85
  6. Step 6: Final answer
    x = 154,684.28

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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.