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Finding the Fourth Proportional to 323,102.81, 445,889.69 and 179,872.53

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Solution

The fourth proportional to 323,102.81, 445,889.69 and 179,872.53 is: 248,228.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,102.81 : 445,889.69 = 179,872.53 : x
  2. Step 2: Convert to fraction form
    323,102.81/445,889.69 = 179,872.53/x
  3. Step 3: Cross multiply
    323,102.81x = 445,889.69 × 179,872.53
  4. Step 4: Simplify right side
    323,102.81x = 80,203,305,741.85
  5. Step 5: Solve for x
    x = 80,203,305,741.85/323,102.81
  6. Step 6: Final answer
    x = 248,228.44

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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.