Home / 216,320.54-324,534.33-89,922.87

Finding the Fourth Proportional to 216,320.54, 324,534.33 and 89,922.87

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Solution

The fourth proportional to 216,320.54, 324,534.33 and 89,922.87 is: 134,906.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,320.54 : 324,534.33 = 89,922.87 : x
  2. Step 2: Convert to fraction form
    216,320.54/324,534.33 = 89,922.87/x
  3. Step 3: Cross multiply
    216,320.54x = 324,534.33 × 89,922.87
  4. Step 4: Simplify right side
    216,320.54x = 29,183,058,367.13
  5. Step 5: Solve for x
    x = 29,183,058,367.13/216,320.54
  6. Step 6: Final answer
    x = 134,906.56

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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.