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Finding the Fourth Proportional to 422,089.50, 633,289.77 and 222,401.82

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Solution

The fourth proportional to 422,089.50, 633,289.77 and 222,401.82 is: 333,684.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    422,089.50 : 633,289.77 = 222,401.82 : x
  2. Step 2: Convert to fraction form
    422,089.50/633,289.77 = 222,401.82/x
  3. Step 3: Cross multiply
    422,089.50x = 633,289.77 × 222,401.82
  4. Step 4: Simplify right side
    422,089.50x = 140,844,797,435.38
  5. Step 5: Solve for x
    x = 140,844,797,435.38/422,089.50
  6. Step 6: Final answer
    x = 333,684.67

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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.