Home / 335,645.25-503,469.23-135,969.41

Finding the Fourth Proportional to 335,645.25, 503,469.23 and 135,969.41

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Solution

The fourth proportional to 335,645.25, 503,469.23 and 135,969.41 is: 203,954.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    335,645.25 : 503,469.23 = 135,969.41 : x
  2. Step 2: Convert to fraction form
    335,645.25/503,469.23 = 135,969.41/x
  3. Step 3: Cross multiply
    335,645.25x = 503,469.23 × 135,969.41
  4. Step 4: Simplify right side
    335,645.25x = 68,456,410,959.06
  5. Step 5: Solve for x
    x = 68,456,410,959.06/335,645.25
  6. Step 6: Final answer
    x = 203,954.65

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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.