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Finding the Fourth Proportional to 223,844.82, 308,905.28 and 123,242.82

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Solution

The fourth proportional to 223,844.82, 308,905.28 and 123,242.82 is: 170,074.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,844.82 : 308,905.28 = 123,242.82 : x
  2. Step 2: Convert to fraction form
    223,844.82/308,905.28 = 123,242.82/x
  3. Step 3: Cross multiply
    223,844.82x = 308,905.28 × 123,242.82
  4. Step 4: Simplify right side
    223,844.82x = 38,070,357,820.09
  5. Step 5: Solve for x
    x = 38,070,357,820.09/223,844.82
  6. Step 6: Final answer
    x = 170,074.78

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Why These Related Problems?

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