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Finding the Fourth Proportional to 227,071.26, 340,604.10 and 69,300.14

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Solution

The fourth proportional to 227,071.26, 340,604.10 and 69,300.14 is: 103,949.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,071.26 : 340,604.10 = 69,300.14 : x
  2. Step 2: Convert to fraction form
    227,071.26/340,604.10 = 69,300.14/x
  3. Step 3: Cross multiply
    227,071.26x = 340,604.10 × 69,300.14
  4. Step 4: Simplify right side
    227,071.26x = 23,603,910,111.55
  5. Step 5: Solve for x
    x = 23,603,910,111.55/227,071.26
  6. Step 6: Final answer
    x = 103,949.35

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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.