Home / 327,626.37-491,439.75-90,969.06

Finding the Fourth Proportional to 327,626.37, 491,439.75 and 90,969.06

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Solution

The fourth proportional to 327,626.37, 491,439.75 and 90,969.06 is: 136,453.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    327,626.37 : 491,439.75 = 90,969.06 : x
  2. Step 2: Convert to fraction form
    327,626.37/491,439.75 = 90,969.06/x
  3. Step 3: Cross multiply
    327,626.37x = 491,439.75 × 90,969.06
  4. Step 4: Simplify right side
    327,626.37x = 44,705,812,104.14
  5. Step 5: Solve for x
    x = 44,705,812,104.14/327,626.37
  6. Step 6: Final answer
    x = 136,453.64

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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.