Home / 269,795.40-404,693.10-143,824.20

Finding the Fourth Proportional to 269,795.40, 404,693.10 and 143,824.20

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Solution

The fourth proportional to 269,795.40, 404,693.10 and 143,824.20 is: 215,736.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,795.40 : 404,693.10 = 143,824.20 : x
  2. Step 2: Convert to fraction form
    269,795.40/404,693.10 = 143,824.20/x
  3. Step 3: Cross multiply
    269,795.40x = 404,693.10 × 143,824.20
  4. Step 4: Simplify right side
    269,795.40x = 58,204,661,353.02
  5. Step 5: Solve for x
    x = 58,204,661,353.02/269,795.40
  6. Step 6: Final answer
    x = 215,736.30

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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.