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Finding the Fourth Proportional to 222,651, 307,259.46 and 133,227

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Solution

The fourth proportional to 222,651, 307,259.46 and 133,227 is: 183,853.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,651 : 307,259.46 = 133,227 : x
  2. Step 2: Convert to fraction form
    222,651/307,259.46 = 133,227/x
  3. Step 3: Cross multiply
    222,651x = 307,259.46 × 133,227
  4. Step 4: Simplify right side
    222,651x = 40,935,256,077.42
  5. Step 5: Solve for x
    x = 40,935,256,077.42/222,651
  6. Step 6: Final answer
    x = 183,853.91

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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.