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Finding the Fourth Proportional to 294,939.82, 442,410.54 and 195,081.40

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Solution

The fourth proportional to 294,939.82, 442,410.54 and 195,081.40 is: 292,622.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    294,939.82 : 442,410.54 = 195,081.40 : x
  2. Step 2: Convert to fraction form
    294,939.82/442,410.54 = 195,081.40/x
  3. Step 3: Cross multiply
    294,939.82x = 442,410.54 × 195,081.40
  4. Step 4: Simplify right side
    294,939.82x = 86,306,067,517.96
  5. Step 5: Solve for x
    x = 86,306,067,517.96/294,939.82
  6. Step 6: Final answer
    x = 292,622.64

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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.