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Finding the Fourth Proportional to 192,289, 288,433.50 and 60,961

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Solution

The fourth proportional to 192,289, 288,433.50 and 60,961 is: 91,441.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,289 : 288,433.50 = 60,961 : x
  2. Step 2: Convert to fraction form
    192,289/288,433.50 = 60,961/x
  3. Step 3: Cross multiply
    192,289x = 288,433.50 × 60,961
  4. Step 4: Simplify right side
    192,289x = 17,583,194,593.50
  5. Step 5: Solve for x
    x = 17,583,194,593.50/192,289
  6. Step 6: Final answer
    x = 91,441.50

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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.