Home / 326,243.24-489,555.38-136,687.41

Finding the Fourth Proportional to 326,243.24, 489,555.38 and 136,687.41

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Solution

The fourth proportional to 326,243.24, 489,555.38 and 136,687.41 is: 205,110.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    326,243.24 : 489,555.38 = 136,687.41 : x
  2. Step 2: Convert to fraction form
    326,243.24/489,555.38 = 136,687.41/x
  3. Step 3: Cross multiply
    326,243.24x = 489,555.38 × 136,687.41
  4. Step 4: Simplify right side
    326,243.24x = 66,916,056,260.33
  5. Step 5: Solve for x
    x = 66,916,056,260.33/326,243.24
  6. Step 6: Final answer
    x = 205,110.94

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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.