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Finding the Fourth Proportional to 345,172.52, 517,666.14 and 145,494.44

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Solution

The fourth proportional to 345,172.52, 517,666.14 and 145,494.44 is: 218,202.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    345,172.52 : 517,666.14 = 145,494.44 : x
  2. Step 2: Convert to fraction form
    345,172.52/517,666.14 = 145,494.44/x
  3. Step 3: Cross multiply
    345,172.52x = 517,666.14 × 145,494.44
  4. Step 4: Simplify right side
    345,172.52x = 75,317,545,146.26
  5. Step 5: Solve for x
    x = 75,317,545,146.26/345,172.52
  6. Step 6: Final answer
    x = 218,202.61

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