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Finding the Fourth Proportional to 348,700, 481,206 and 189,724

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Solution

The fourth proportional to 348,700, 481,206 and 189,724 is: 261,819.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,700 : 481,206 = 189,724 : x
  2. Step 2: Convert to fraction form
    348,700/481,206 = 189,724/x
  3. Step 3: Cross multiply
    348,700x = 481,206 × 189,724
  4. Step 4: Simplify right side
    348,700x = 91,296,327,144
  5. Step 5: Solve for x
    x = 91,296,327,144/348,700
  6. Step 6: Final answer
    x = 261,819.12

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