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Finding the Fourth Proportional to 269,909.20, 404,863.80 and 227,918.80

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Solution

The fourth proportional to 269,909.20, 404,863.80 and 227,918.80 is: 341,878.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,909.20 : 404,863.80 = 227,918.80 : x
  2. Step 2: Convert to fraction form
    269,909.20/404,863.80 = 227,918.80/x
  3. Step 3: Cross multiply
    269,909.20x = 404,863.80 × 227,918.80
  4. Step 4: Simplify right side
    269,909.20x = 92,276,071,459.44
  5. Step 5: Solve for x
    x = 92,276,071,459.44/269,909.20
  6. Step 6: Final answer
    x = 341,878.20

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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.