Home / 326,824.66-490,265.23-90,167.33

Finding the Fourth Proportional to 326,824.66, 490,265.23 and 90,167.33

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Solution

The fourth proportional to 326,824.66, 490,265.23 and 90,167.33 is: 135,258.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    326,824.66 : 490,265.23 = 90,167.33 : x
  2. Step 2: Convert to fraction form
    326,824.66/490,265.23 = 90,167.33/x
  3. Step 3: Cross multiply
    326,824.66x = 490,265.23 × 90,167.33
  4. Step 4: Simplify right side
    326,824.66x = 44,205,906,780.94
  5. Step 5: Solve for x
    x = 44,205,906,780.94/326,824.66
  6. Step 6: Final answer
    x = 135,258.79

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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.