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Finding the Fourth Proportional to 296,886.80, 445,675.80 and 178,691.60

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Solution

The fourth proportional to 296,886.80, 445,675.80 and 178,691.60 is: 268,245.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    296,886.80 : 445,675.80 = 178,691.60 : x
  2. Step 2: Convert to fraction form
    296,886.80/445,675.80 = 178,691.60/x
  3. Step 3: Cross multiply
    296,886.80x = 445,675.80 × 178,691.60
  4. Step 4: Simplify right side
    296,886.80x = 79,638,521,783.28
  5. Step 5: Solve for x
    x = 79,638,521,783.28/296,886.80
  6. Step 6: Final answer
    x = 268,245.41

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