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Finding the Fourth Proportional to 269,543.40, 404,258.40 and 136,298.40

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Solution

The fourth proportional to 269,543.40, 404,258.40 and 136,298.40 is: 204,418.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,543.40 : 404,258.40 = 136,298.40 : x
  2. Step 2: Convert to fraction form
    269,543.40/404,258.40 = 136,298.40/x
  3. Step 3: Cross multiply
    269,543.40x = 404,258.40 × 136,298.40
  4. Step 4: Simplify right side
    269,543.40x = 55,099,773,106.56
  5. Step 5: Solve for x
    x = 55,099,773,106.56/269,543.40
  6. Step 6: Final answer
    x = 204,418.93

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