Home / 216,566.92-324,632.31-90,277.09

Finding the Fourth Proportional to 216,566.92, 324,632.31 and 90,277.09

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Solution

The fourth proportional to 216,566.92, 324,632.31 and 90,277.09 is: 135,324.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,566.92 : 324,632.31 = 90,277.09 : x
  2. Step 2: Convert to fraction form
    216,566.92/324,632.31 = 90,277.09/x
  3. Step 3: Cross multiply
    216,566.92x = 324,632.31 × 90,277.09
  4. Step 4: Simplify right side
    216,566.92x = 29,306,859,116.66
  5. Step 5: Solve for x
    x = 29,306,859,116.66/216,566.92
  6. Step 6: Final answer
    x = 135,324.73

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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.