Home / 326,769.90-490,185.06-127,105.44

Finding the Fourth Proportional to 326,769.90, 490,185.06 and 127,105.44

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Solution

The fourth proportional to 326,769.90, 490,185.06 and 127,105.44 is: 190,669.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    326,769.90 : 490,185.06 = 127,105.44 : x
  2. Step 2: Convert to fraction form
    326,769.90/490,185.06 = 127,105.44/x
  3. Step 3: Cross multiply
    326,769.90x = 490,185.06 × 127,105.44
  4. Step 4: Simplify right side
    326,769.90x = 62,305,187,732.73
  5. Step 5: Solve for x
    x = 62,305,187,732.73/326,769.90
  6. Step 6: Final answer
    x = 190,669.91

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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.