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Finding the Fourth Proportional to 223,942.36, 309,026.28 and 123,340.36

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Solution

The fourth proportional to 223,942.36, 309,026.28 and 123,340.36 is: 170,201.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,942.36 : 309,026.28 = 123,340.36 : x
  2. Step 2: Convert to fraction form
    223,942.36/309,026.28 = 123,340.36/x
  3. Step 3: Cross multiply
    223,942.36x = 309,026.28 × 123,340.36
  4. Step 4: Simplify right side
    223,942.36x = 38,115,412,624.66
  5. Step 5: Solve for x
    x = 38,115,412,624.66/223,942.36
  6. Step 6: Final answer
    x = 170,201.89

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.