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Finding the Fourth Proportional to 229,696.26, 344,425.74 and 103,228.42

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Solution

The fourth proportional to 229,696.26, 344,425.74 and 103,228.42 is: 154,789.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,696.26 : 344,425.74 = 103,228.42 : x
  2. Step 2: Convert to fraction form
    229,696.26/344,425.74 = 103,228.42/x
  3. Step 3: Cross multiply
    229,696.26x = 344,425.74 × 103,228.42
  4. Step 4: Simplify right side
    229,696.26x = 35,554,524,947.53
  5. Step 5: Solve for x
    x = 35,554,524,947.53/229,696.26
  6. Step 6: Final answer
    x = 154,789.31

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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.