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Finding the Fourth Proportional to 227,184.90, 340,827.48 and 69,425.66

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Solution

The fourth proportional to 227,184.90, 340,827.48 and 69,425.66 is: 104,153.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,184.90 : 340,827.48 = 69,425.66 : x
  2. Step 2: Convert to fraction form
    227,184.90/340,827.48 = 69,425.66/x
  3. Step 3: Cross multiply
    227,184.90x = 340,827.48 × 69,425.66
  4. Step 4: Simplify right side
    227,184.90x = 23,662,172,745.14
  5. Step 5: Solve for x
    x = 23,662,172,745.14/227,184.90
  6. Step 6: Final answer
    x = 104,153.81

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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.