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Finding the Fourth Proportional to 226,693.62, 340,059.42 and 68,923.44

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Solution

The fourth proportional to 226,693.62, 340,059.42 and 68,923.44 is: 103,390.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,693.62 : 340,059.42 = 68,923.44 : x
  2. Step 2: Convert to fraction form
    226,693.62/340,059.42 = 68,923.44/x
  3. Step 3: Cross multiply
    226,693.62x = 340,059.42 × 68,923.44
  4. Step 4: Simplify right side
    226,693.62x = 23,438,065,030.80
  5. Step 5: Solve for x
    x = 23,438,065,030.80/226,693.62
  6. Step 6: Final answer
    x = 103,390.93

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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.