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Finding the Fourth Proportional to 281,339.63, 388,248.70 and 154,015.22

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Solution

The fourth proportional to 281,339.63, 388,248.70 and 154,015.22 is: 212,541.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,339.63 : 388,248.70 = 154,015.22 : x
  2. Step 2: Convert to fraction form
    281,339.63/388,248.70 = 154,015.22/x
  3. Step 3: Cross multiply
    281,339.63x = 388,248.70 × 154,015.22
  4. Step 4: Simplify right side
    281,339.63x = 59,796,207,003.97
  5. Step 5: Solve for x
    x = 59,796,207,003.97/281,339.63
  6. Step 6: Final answer
    x = 212,541.01

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