Home / 327,029.24-490,544.10-90,372.15

Finding the Fourth Proportional to 327,029.24, 490,544.10 and 90,372.15

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Solution

The fourth proportional to 327,029.24, 490,544.10 and 90,372.15 is: 135,558.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    327,029.24 : 490,544.10 = 90,372.15 : x
  2. Step 2: Convert to fraction form
    327,029.24/490,544.10 = 90,372.15/x
  3. Step 3: Cross multiply
    327,029.24x = 490,544.10 × 90,372.15
  4. Step 4: Simplify right side
    327,029.24x = 44,331,524,986.82
  5. Step 5: Solve for x
    x = 44,331,524,986.82/327,029.24
  6. Step 6: Final answer
    x = 135,558.29

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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.