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Finding the Fourth Proportional to 222,747, 307,390.92 and 122,147.16

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Solution

The fourth proportional to 222,747, 307,390.92 and 122,147.16 is: 168,563.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,747 : 307,390.92 = 122,147.16 : x
  2. Step 2: Convert to fraction form
    222,747/307,390.92 = 122,147.16/x
  3. Step 3: Cross multiply
    222,747x = 307,390.92 × 122,147.16
  4. Step 4: Simplify right side
    222,747x = 37,546,927,887.79
  5. Step 5: Solve for x
    x = 37,546,927,887.79/222,747
  6. Step 6: Final answer
    x = 168,563.11

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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.