Home / 274,184.72-378,002.86-192,401.85

Finding the Fourth Proportional to 274,184.72, 378,002.86 and 192,401.85

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Solution

The fourth proportional to 274,184.72, 378,002.86 and 192,401.85 is: 265,253.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    274,184.72 : 378,002.86 = 192,401.85 : x
  2. Step 2: Convert to fraction form
    274,184.72/378,002.86 = 192,401.85/x
  3. Step 3: Cross multiply
    274,184.72x = 378,002.86 × 192,401.85
  4. Step 4: Simplify right side
    274,184.72x = 72,728,449,569.29
  5. Step 5: Solve for x
    x = 72,728,449,569.29/274,184.72
  6. Step 6: Final answer
    x = 265,253.47

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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.