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Finding the Fourth Proportional to 289,169.82, 399,283.83 and 192,466.62

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Solution

The fourth proportional to 289,169.82, 399,283.83 and 192,466.62 is: 265,756.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    289,169.82 : 399,283.83 = 192,466.62 : x
  2. Step 2: Convert to fraction form
    289,169.82/399,283.83 = 192,466.62/x
  3. Step 3: Cross multiply
    289,169.82x = 399,283.83 × 192,466.62
  4. Step 4: Simplify right side
    289,169.82x = 76,848,809,180.75
  5. Step 5: Solve for x
    x = 76,848,809,180.75/289,169.82
  6. Step 6: Final answer
    x = 265,756.67

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.