Home / 215,982.33-324,035.67-66,244.59

Finding the Fourth Proportional to 215,982.33, 324,035.67 and 66,244.59

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Solution

The fourth proportional to 215,982.33, 324,035.67 and 66,244.59 is: 99,385.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,982.33 : 324,035.67 = 66,244.59 : x
  2. Step 2: Convert to fraction form
    215,982.33/324,035.67 = 66,244.59/x
  3. Step 3: Cross multiply
    215,982.33x = 324,035.67 × 66,244.59
  4. Step 4: Simplify right side
    215,982.33x = 21,465,610,104.53
  5. Step 5: Solve for x
    x = 21,465,610,104.53/215,982.33
  6. Step 6: Final answer
    x = 99,385.95

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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.