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Finding the Fourth Proportional to 356,048.60, 534,072.90 and 169,424.60

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Solution

The fourth proportional to 356,048.60, 534,072.90 and 169,424.60 is: 254,136.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,048.60 : 534,072.90 = 169,424.60 : x
  2. Step 2: Convert to fraction form
    356,048.60/534,072.90 = 169,424.60/x
  3. Step 3: Cross multiply
    356,048.60x = 534,072.90 × 169,424.60
  4. Step 4: Simplify right side
    356,048.60x = 90,485,087,453.34
  5. Step 5: Solve for x
    x = 90,485,087,453.34/356,048.60
  6. Step 6: Final answer
    x = 254,136.90

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