Home / 481,198.20-664,219.52-277,330.56

Finding the Fourth Proportional to 481,198.20, 664,219.52 and 277,330.56

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Solution

The fourth proportional to 481,198.20, 664,219.52 and 277,330.56 is: 382,811.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,198.20 : 664,219.52 = 277,330.56 : x
  2. Step 2: Convert to fraction form
    481,198.20/664,219.52 = 277,330.56/x
  3. Step 3: Cross multiply
    481,198.20x = 664,219.52 × 277,330.56
  4. Step 4: Simplify right side
    481,198.20x = 184,208,366,736.78
  5. Step 5: Solve for x
    x = 184,208,366,736.78/481,198.20
  6. Step 6: Final answer
    x = 382,811.84

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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.