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Finding the Fourth Proportional to 367,049.46, 550,515.30 and 100,747.80

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Solution

The fourth proportional to 367,049.46, 550,515.30 and 100,747.80 is: 151,105.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    367,049.46 : 550,515.30 = 100,747.80 : x
  2. Step 2: Convert to fraction form
    367,049.46/550,515.30 = 100,747.80/x
  3. Step 3: Cross multiply
    367,049.46x = 550,515.30 × 100,747.80
  4. Step 4: Simplify right side
    367,049.46x = 55,463,205,341.34
  5. Step 5: Solve for x
    x = 55,463,205,341.34/367,049.46
  6. Step 6: Final answer
    x = 151,105.54

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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.