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Finding the Fourth Proportional to 228,682.75, 343,338.33 and 116,438.39

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Solution

The fourth proportional to 228,682.75, 343,338.33 and 116,438.39 is: 174,817.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,682.75 : 343,338.33 = 116,438.39 : x
  2. Step 2: Convert to fraction form
    228,682.75/343,338.33 = 116,438.39/x
  3. Step 3: Cross multiply
    228,682.75x = 343,338.33 × 116,438.39
  4. Step 4: Simplify right side
    228,682.75x = 39,977,763,665.48
  5. Step 5: Solve for x
    x = 39,977,763,665.48/228,682.75
  6. Step 6: Final answer
    x = 174,817.58

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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.