Home / 218,760.27-327,630.54-211,183.68

Finding the Fourth Proportional to 218,760.27, 327,630.54 and 211,183.68

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Solution

The fourth proportional to 218,760.27, 327,630.54 and 211,183.68 is: 316,283.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,760.27 : 327,630.54 = 211,183.68 : x
  2. Step 2: Convert to fraction form
    218,760.27/327,630.54 = 211,183.68/x
  3. Step 3: Cross multiply
    218,760.27x = 327,630.54 × 211,183.68
  4. Step 4: Simplify right side
    218,760.27x = 69,190,223,117.59
  5. Step 5: Solve for x
    x = 69,190,223,117.59/218,760.27
  6. Step 6: Final answer
    x = 316,283.31

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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.