Home / 327,277.72-490,916.58-90,620.29

Finding the Fourth Proportional to 327,277.72, 490,916.58 and 90,620.29

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Solution

The fourth proportional to 327,277.72, 490,916.58 and 90,620.29 is: 135,930.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    327,277.72 : 490,916.58 = 90,620.29 : x
  2. Step 2: Convert to fraction form
    327,277.72/490,916.58 = 90,620.29/x
  3. Step 3: Cross multiply
    327,277.72x = 490,916.58 × 90,620.29
  4. Step 4: Simplify right side
    327,277.72x = 44,487,002,845.41
  5. Step 5: Solve for x
    x = 44,487,002,845.41/327,277.72
  6. Step 6: Final answer
    x = 135,930.44

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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.