Home / 226,660.34-339,986.67-78,912.50

Finding the Fourth Proportional to 226,660.34, 339,986.67 and 78,912.50

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Solution

The fourth proportional to 226,660.34, 339,986.67 and 78,912.50 is: 118,367.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,660.34 : 339,986.67 = 78,912.50 : x
  2. Step 2: Convert to fraction form
    226,660.34/339,986.67 = 78,912.50/x
  3. Step 3: Cross multiply
    226,660.34x = 339,986.67 × 78,912.50
  4. Step 4: Simplify right side
    226,660.34x = 26,829,198,096.38
  5. Step 5: Solve for x
    x = 26,829,198,096.38/226,660.34
  6. Step 6: Final answer
    x = 118,367.41

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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.