Home / 216,537.39-324,658.26-115,350.57

Finding the Fourth Proportional to 216,537.39, 324,658.26 and 115,350.57

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Solution

The fourth proportional to 216,537.39, 324,658.26 and 115,350.57 is: 172,947.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,537.39 : 324,658.26 = 115,350.57 : x
  2. Step 2: Convert to fraction form
    216,537.39/324,658.26 = 115,350.57/x
  3. Step 3: Cross multiply
    216,537.39x = 324,658.26 × 115,350.57
  4. Step 4: Simplify right side
    216,537.39x = 37,449,515,346.21
  5. Step 5: Solve for x
    x = 37,449,515,346.21/216,537.39
  6. Step 6: Final answer
    x = 172,947.11

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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.