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Finding the Fourth Proportional to 367,098.99, 550,626.30 and 218,286.30

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Solution

The fourth proportional to 367,098.99, 550,626.30 and 218,286.30 is: 327,416.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    367,098.99 : 550,626.30 = 218,286.30 : x
  2. Step 2: Convert to fraction form
    367,098.99/550,626.30 = 218,286.30/x
  3. Step 3: Cross multiply
    367,098.99x = 550,626.30 × 218,286.30
  4. Step 4: Simplify right side
    367,098.99x = 120,194,177,709.69
  5. Step 5: Solve for x
    x = 120,194,177,709.69/367,098.99
  6. Step 6: Final answer
    x = 327,416.26

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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.