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Finding the Fourth Proportional to 304,067.56, 419,613.12 and 166,246.96

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Solution

The fourth proportional to 304,067.56, 419,613.12 and 166,246.96 is: 229,420.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,067.56 : 419,613.12 = 166,246.96 : x
  2. Step 2: Convert to fraction form
    304,067.56/419,613.12 = 166,246.96/x
  3. Step 3: Cross multiply
    304,067.56x = 419,613.12 × 166,246.96
  4. Step 4: Simplify right side
    304,067.56x = 69,759,405,576.12
  5. Step 5: Solve for x
    x = 69,759,405,576.12/304,067.56
  6. Step 6: Final answer
    x = 229,420.74

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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.