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Finding the Fourth Proportional to 241,791.02, 362,591.54 and 81,822.90

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Solution

The fourth proportional to 241,791.02, 362,591.54 and 81,822.90 is: 122,702.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    241,791.02 : 362,591.54 = 81,822.90 : x
  2. Step 2: Convert to fraction form
    241,791.02/362,591.54 = 81,822.90/x
  3. Step 3: Cross multiply
    241,791.02x = 362,591.54 × 81,822.90
  4. Step 4: Simplify right side
    241,791.02x = 29,668,289,709.87
  5. Step 5: Solve for x
    x = 29,668,289,709.87/241,791.02
  6. Step 6: Final answer
    x = 122,702.20

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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.