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Finding the Fourth Proportional to 269,520.40, 404,280.60 and 169,793.20

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Solution

The fourth proportional to 269,520.40, 404,280.60 and 169,793.20 is: 254,689.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,520.40 : 404,280.60 = 169,793.20 : x
  2. Step 2: Convert to fraction form
    269,520.40/404,280.60 = 169,793.20/x
  3. Step 3: Cross multiply
    269,520.40x = 404,280.60 × 169,793.20
  4. Step 4: Simplify right side
    269,520.40x = 68,644,096,771.92
  5. Step 5: Solve for x
    x = 68,644,096,771.92/269,520.40
  6. Step 6: Final answer
    x = 254,689.80

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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.