Home / 327,949.78-491,993.79-106,316.50

Finding the Fourth Proportional to 327,949.78, 491,993.79 and 106,316.50

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Solution

The fourth proportional to 327,949.78, 491,993.79 and 106,316.50 is: 159,497.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    327,949.78 : 491,993.79 = 106,316.50 : x
  2. Step 2: Convert to fraction form
    327,949.78/491,993.79 = 106,316.50/x
  3. Step 3: Cross multiply
    327,949.78x = 491,993.79 × 106,316.50
  4. Step 4: Simplify right side
    327,949.78x = 52,307,057,774.54
  5. Step 5: Solve for x
    x = 52,307,057,774.54/327,949.78
  6. Step 6: Final answer
    x = 159,497.16

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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.