Home / 326,601.30-489,932.75-126,936.97

Finding the Fourth Proportional to 326,601.30, 489,932.75 and 126,936.97

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Solution

The fourth proportional to 326,601.30, 489,932.75 and 126,936.97 is: 190,417.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    326,601.30 : 489,932.75 = 126,936.97 : x
  2. Step 2: Convert to fraction form
    326,601.30/489,932.75 = 126,936.97/x
  3. Step 3: Cross multiply
    326,601.30x = 489,932.75 × 126,936.97
  4. Step 4: Simplify right side
    326,601.30x = 62,190,578,788.77
  5. Step 5: Solve for x
    x = 62,190,578,788.77/326,601.30
  6. Step 6: Final answer
    x = 190,417.43

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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.