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Finding the Fourth Proportional to 327,000.99, 490,496.61 and 90,338.43

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Solution

The fourth proportional to 327,000.99, 490,496.61 and 90,338.43 is: 135,506.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    327,000.99 : 490,496.61 = 90,338.43 : x
  2. Step 2: Convert to fraction form
    327,000.99/490,496.61 = 90,338.43/x
  3. Step 3: Cross multiply
    327,000.99x = 490,496.61 × 90,338.43
  4. Step 4: Simplify right side
    327,000.99x = 44,310,693,667.72
  5. Step 5: Solve for x
    x = 44,310,693,667.72/327,000.99
  6. Step 6: Final answer
    x = 135,506.30

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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.