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Finding the Fourth Proportional to 266,190.80, 399,577.80 and 166,463.60

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Solution

The fourth proportional to 266,190.80, 399,577.80 and 166,463.60 is: 249,877.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,190.80 : 399,577.80 = 166,463.60 : x
  2. Step 2: Convert to fraction form
    266,190.80/399,577.80 = 166,463.60/x
  3. Step 3: Cross multiply
    266,190.80x = 399,577.80 × 166,463.60
  4. Step 4: Simplify right side
    266,190.80x = 66,515,159,068.08
  5. Step 5: Solve for x
    x = 66,515,159,068.08/266,190.80
  6. Step 6: Final answer
    x = 249,877.75

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