Home / 214,601.28-321,538.08-131,321.28

Finding the Fourth Proportional to 214,601.28, 321,538.08 and 131,321.28

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Solution

The fourth proportional to 214,601.28, 321,538.08 and 131,321.28 is: 196,759.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,601.28 : 321,538.08 = 131,321.28 : x
  2. Step 2: Convert to fraction form
    214,601.28/321,538.08 = 131,321.28/x
  3. Step 3: Cross multiply
    214,601.28x = 321,538.08 × 131,321.28
  4. Step 4: Simplify right side
    214,601.28x = 42,224,792,234.34
  5. Step 5: Solve for x
    x = 42,224,792,234.34/214,601.28
  6. Step 6: Final answer
    x = 196,759.27

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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.