Home / 216,578.00-324,233.51-126,344.81

Finding the Fourth Proportional to 216,578.00, 324,233.51 and 126,344.81

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Solution

The fourth proportional to 216,578.00, 324,233.51 and 126,344.81 is: 189,147.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,578.00 : 324,233.51 = 126,344.81 : x
  2. Step 2: Convert to fraction form
    216,578.00/324,233.51 = 126,344.81/x
  3. Step 3: Cross multiply
    216,578.00x = 324,233.51 × 126,344.81
  4. Step 4: Simplify right side
    216,578.00x = 40,965,218,963.69
  5. Step 5: Solve for x
    x = 40,965,218,963.69/216,578.00
  6. Step 6: Final answer
    x = 189,147.65

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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.