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Finding the Fourth Proportional to 192,110.62, 288,203.28 and 73,773.28

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Solution

The fourth proportional to 192,110.62, 288,203.28 and 73,773.28 is: 110,674.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,110.62 : 288,203.28 = 73,773.28 : x
  2. Step 2: Convert to fraction form
    192,110.62/288,203.28 = 73,773.28/x
  3. Step 3: Cross multiply
    192,110.62x = 288,203.28 × 73,773.28
  4. Step 4: Simplify right side
    192,110.62x = 21,261,701,272.36
  5. Step 5: Solve for x
    x = 21,261,701,272.36/192,110.62
  6. Step 6: Final answer
    x = 110,674.26

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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.