Home / 327,639.44-491,458.80-103,019.54

Finding the Fourth Proportional to 327,639.44, 491,458.80 and 103,019.54

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Solution

The fourth proportional to 327,639.44, 491,458.80 and 103,019.54 is: 154,529.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    327,639.44 : 491,458.80 = 103,019.54 : x
  2. Step 2: Convert to fraction form
    327,639.44/491,458.80 = 103,019.54/x
  3. Step 3: Cross multiply
    327,639.44x = 491,458.80 × 103,019.54
  4. Step 4: Simplify right side
    327,639.44x = 50,629,859,504.95
  5. Step 5: Solve for x
    x = 50,629,859,504.95/327,639.44
  6. Step 6: Final answer
    x = 154,529.20

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1.5x scale

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.