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Finding the Fourth Proportional to 222,618.78, 307,250.28 and 165,636.50

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Solution

The fourth proportional to 222,618.78, 307,250.28 and 165,636.50 is: 228,605.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,618.78 : 307,250.28 = 165,636.50 : x
  2. Step 2: Convert to fraction form
    222,618.78/307,250.28 = 165,636.50/x
  3. Step 3: Cross multiply
    222,618.78x = 307,250.28 × 165,636.50
  4. Step 4: Simplify right side
    222,618.78x = 50,891,859,466.97
  5. Step 5: Solve for x
    x = 50,891,859,466.97/222,618.78
  6. Step 6: Final answer
    x = 228,605.42

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.