Home / 327,235.35-490,863.75-90,558.21

Finding the Fourth Proportional to 327,235.35, 490,863.75 and 90,558.21

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Solution

The fourth proportional to 327,235.35, 490,863.75 and 90,558.21 is: 135,840.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    327,235.35 : 490,863.75 = 90,558.21 : x
  2. Step 2: Convert to fraction form
    327,235.35/490,863.75 = 90,558.21/x
  3. Step 3: Cross multiply
    327,235.35x = 490,863.75 × 90,558.21
  4. Step 4: Simplify right side
    327,235.35x = 44,451,740,099.57
  5. Step 5: Solve for x
    x = 44,451,740,099.57/327,235.35
  6. Step 6: Final answer
    x = 135,840.28

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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.