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Finding the Fourth Proportional to 239,308.82, 330,241.94 and 130,414.14

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Solution

The fourth proportional to 239,308.82, 330,241.94 and 130,414.14 is: 179,969.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,308.82 : 330,241.94 = 130,414.14 : x
  2. Step 2: Convert to fraction form
    239,308.82/330,241.94 = 130,414.14/x
  3. Step 3: Cross multiply
    239,308.82x = 330,241.94 × 130,414.14
  4. Step 4: Simplify right side
    239,308.82x = 43,068,218,597.03
  5. Step 5: Solve for x
    x = 43,068,218,597.03/239,308.82
  6. Step 6: Final answer
    x = 179,969.21

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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.