Home / 326,822.66-490,262.23-90,165.33

Finding the Fourth Proportional to 326,822.66, 490,262.23 and 90,165.33

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Solution

The fourth proportional to 326,822.66, 490,262.23 and 90,165.33 is: 135,255.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    326,822.66 : 490,262.23 = 90,165.33 : x
  2. Step 2: Convert to fraction form
    326,822.66/490,262.23 = 90,165.33/x
  3. Step 3: Cross multiply
    326,822.66x = 490,262.23 × 90,165.33
  4. Step 4: Simplify right side
    326,822.66x = 44,204,658,418.89
  5. Step 5: Solve for x
    x = 44,204,658,418.89/326,822.66
  6. Step 6: Final answer
    x = 135,255.80

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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.