Home / 327,601.25-491,383.37-145,179.51

Finding the Fourth Proportional to 327,601.25, 491,383.37 and 145,179.51

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Solution

The fourth proportional to 327,601.25, 491,383.37 and 145,179.51 is: 217,761.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    327,601.25 : 491,383.37 = 145,179.51 : x
  2. Step 2: Convert to fraction form
    327,601.25/491,383.37 = 145,179.51/x
  3. Step 3: Cross multiply
    327,601.25x = 491,383.37 × 145,179.51
  4. Step 4: Simplify right side
    327,601.25x = 71,338,796,152.85
  5. Step 5: Solve for x
    x = 71,338,796,152.85/327,601.25
  6. Step 6: Final answer
    x = 217,761.07

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.