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Finding the Fourth Proportional to 226,141.60, 339,261.60 and 68,365.93

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Solution

The fourth proportional to 226,141.60, 339,261.60 and 68,365.93 is: 102,563.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,141.60 : 339,261.60 = 68,365.93 : x
  2. Step 2: Convert to fraction form
    226,141.60/339,261.60 = 68,365.93/x
  3. Step 3: Cross multiply
    226,141.60x = 339,261.60 × 68,365.93
  4. Step 4: Simplify right side
    226,141.60x = 23,193,934,797.29
  5. Step 5: Solve for x
    x = 23,193,934,797.29/226,141.60
  6. Step 6: Final answer
    x = 102,563.77

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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.