Home / 294,481.72-405,976.62-198,836.92

Finding the Fourth Proportional to 294,481.72, 405,976.62 and 198,836.92

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Solution

The fourth proportional to 294,481.72, 405,976.62 and 198,836.92 is: 274,119.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    294,481.72 : 405,976.62 = 198,836.92 : x
  2. Step 2: Convert to fraction form
    294,481.72/405,976.62 = 198,836.92/x
  3. Step 3: Cross multiply
    294,481.72x = 405,976.62 × 198,836.92
  4. Step 4: Simplify right side
    294,481.72x = 80,723,140,712.81
  5. Step 5: Solve for x
    x = 80,723,140,712.81/294,481.72
  6. Step 6: Final answer
    x = 274,119.36

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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.