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Finding the Fourth Proportional to 227,957.89, 342,035.25 and 122,755.90

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Solution

The fourth proportional to 227,957.89, 342,035.25 and 122,755.90 is: 184,186.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,957.89 : 342,035.25 = 122,755.90 : x
  2. Step 2: Convert to fraction form
    227,957.89/342,035.25 = 122,755.90/x
  3. Step 3: Cross multiply
    227,957.89x = 342,035.25 × 122,755.90
  4. Step 4: Simplify right side
    227,957.89x = 41,986,844,945.48
  5. Step 5: Solve for x
    x = 41,986,844,945.48/227,957.89
  6. Step 6: Final answer
    x = 184,186.85

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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.