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Finding the Fourth Proportional to 208,394.35, 312,582.81 and 88,418.38

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Solution

The fourth proportional to 208,394.35, 312,582.81 and 88,418.38 is: 132,623.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,394.35 : 312,582.81 = 88,418.38 : x
  2. Step 2: Convert to fraction form
    208,394.35/312,582.81 = 88,418.38/x
  3. Step 3: Cross multiply
    208,394.35x = 312,582.81 × 88,418.38
  4. Step 4: Simplify right side
    208,394.35x = 27,638,065,676.05
  5. Step 5: Solve for x
    x = 27,638,065,676.05/208,394.35
  6. Step 6: Final answer
    x = 132,623.87

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