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Finding the Fourth Proportional to 222,799.20, 334,051.20 and 123,007.20

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Solution

The fourth proportional to 222,799.20, 334,051.20 and 123,007.20 is: 184,429.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,799.20 : 334,051.20 = 123,007.20 : x
  2. Step 2: Convert to fraction form
    222,799.20/334,051.20 = 123,007.20/x
  3. Step 3: Cross multiply
    222,799.20x = 334,051.20 × 123,007.20
  4. Step 4: Simplify right side
    222,799.20x = 41,090,702,768.64
  5. Step 5: Solve for x
    x = 41,090,702,768.64/222,799.20
  6. Step 6: Final answer
    x = 184,429.31

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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.