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Finding the Fourth Proportional to 234,640.44, 351,990.12 and 114,701.27

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Solution

The fourth proportional to 234,640.44, 351,990.12 and 114,701.27 is: 172,066.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,640.44 : 351,990.12 = 114,701.27 : x
  2. Step 2: Convert to fraction form
    234,640.44/351,990.12 = 114,701.27/x
  3. Step 3: Cross multiply
    234,640.44x = 351,990.12 × 114,701.27
  4. Step 4: Simplify right side
    234,640.44x = 40,373,713,791.45
  5. Step 5: Solve for x
    x = 40,373,713,791.45/234,640.44
  6. Step 6: Final answer
    x = 172,066.31

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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.