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Finding the Fourth Proportional to 281,333.25, 421,999.88 and 84,341.25

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Solution

The fourth proportional to 281,333.25, 421,999.88 and 84,341.25 is: 126,511.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,333.25 : 421,999.88 = 84,341.25 : x
  2. Step 2: Convert to fraction form
    281,333.25/421,999.88 = 84,341.25/x
  3. Step 3: Cross multiply
    281,333.25x = 421,999.88 × 84,341.25
  4. Step 4: Simplify right side
    281,333.25x = 35,591,996,957.34
  5. Step 5: Solve for x
    x = 35,591,996,957.34/281,333.25
  6. Step 6: Final answer
    x = 126,511.88

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