Home / 321,204.03-443,061-206,632.23

Finding the Fourth Proportional to 321,204.03, 443,061 and 206,632.23

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Solution

The fourth proportional to 321,204.03, 443,061 and 206,632.23 is: 285,023.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    321,204.03 : 443,061 = 206,632.23 : x
  2. Step 2: Convert to fraction form
    321,204.03/443,061 = 206,632.23/x
  3. Step 3: Cross multiply
    321,204.03x = 443,061 × 206,632.23
  4. Step 4: Simplify right side
    321,204.03x = 91,550,682,456.03
  5. Step 5: Solve for x
    x = 91,550,682,456.03/321,204.03
  6. Step 6: Final answer
    x = 285,023.46

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.