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Finding the Fourth Proportional to 222,727, 307,363.28 and 122,127.16

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Solution

The fourth proportional to 222,727, 307,363.28 and 122,127.16 is: 168,535.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,727 : 307,363.28 = 122,127.16 : x
  2. Step 2: Convert to fraction form
    222,727/307,363.28 = 122,127.16/x
  3. Step 3: Cross multiply
    222,727x = 307,363.28 × 122,127.16
  4. Step 4: Simplify right side
    222,727x = 37,537,404,474.68
  5. Step 5: Solve for x
    x = 37,537,404,474.68/222,727
  6. Step 6: Final answer
    x = 168,535.49

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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.