Home / 326,825.22-490,266.07-90,167.90

Finding the Fourth Proportional to 326,825.22, 490,266.07 and 90,167.90

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Solution

The fourth proportional to 326,825.22, 490,266.07 and 90,167.90 is: 135,259.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    326,825.22 : 490,266.07 = 90,167.90 : x
  2. Step 2: Convert to fraction form
    326,825.22/490,266.07 = 90,167.90/x
  3. Step 3: Cross multiply
    326,825.22x = 490,266.07 × 90,167.90
  4. Step 4: Simplify right side
    326,825.22x = 44,206,261,973.15
  5. Step 5: Solve for x
    x = 44,206,261,973.15/326,825.22
  6. Step 6: Final answer
    x = 135,259.64

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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.