Home / 274,682.04-379,099.62-198,447.84

Finding the Fourth Proportional to 274,682.04, 379,099.62 and 198,447.84

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Solution

The fourth proportional to 274,682.04, 379,099.62 and 198,447.84 is: 273,885.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    274,682.04 : 379,099.62 = 198,447.84 : x
  2. Step 2: Convert to fraction form
    274,682.04/379,099.62 = 198,447.84/x
  3. Step 3: Cross multiply
    274,682.04x = 379,099.62 × 198,447.84
  4. Step 4: Simplify right side
    274,682.04x = 75,231,500,733.82
  5. Step 5: Solve for x
    x = 75,231,500,733.82/274,682.04
  6. Step 6: Final answer
    x = 273,885.77

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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.