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Finding the Fourth Proportional to 329,361.48, 454,519.44 and 178,458.48

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Solution

The fourth proportional to 329,361.48, 454,519.44 and 178,458.48 is: 246,273.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,361.48 : 454,519.44 = 178,458.48 : x
  2. Step 2: Convert to fraction form
    329,361.48/454,519.44 = 178,458.48/x
  3. Step 3: Cross multiply
    329,361.48x = 454,519.44 × 178,458.48
  4. Step 4: Simplify right side
    329,361.48x = 81,112,848,392.85
  5. Step 5: Solve for x
    x = 81,112,848,392.85/329,361.48
  6. Step 6: Final answer
    x = 246,273.03

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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.