Home / 294,442.72-405,922.80-198,797.92

Finding the Fourth Proportional to 294,442.72, 405,922.80 and 198,797.92

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Solution

The fourth proportional to 294,442.72, 405,922.80 and 198,797.92 is: 274,065.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    294,442.72 : 405,922.80 = 198,797.92 : x
  2. Step 2: Convert to fraction form
    294,442.72/405,922.80 = 198,797.92/x
  3. Step 3: Cross multiply
    294,442.72x = 405,922.80 × 198,797.92
  4. Step 4: Simplify right side
    294,442.72x = 80,696,608,320.58
  5. Step 5: Solve for x
    x = 80,696,608,320.58/294,442.72
  6. Step 6: Final answer
    x = 274,065.56

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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.