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Finding the Fourth Proportional to 356,065.40, 534,443.70 and 178,772.60

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Solution

The fourth proportional to 356,065.40, 534,443.70 and 178,772.60 is: 268,332.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,065.40 : 534,443.70 = 178,772.60 : x
  2. Step 2: Convert to fraction form
    356,065.40/534,443.70 = 178,772.60/x
  3. Step 3: Cross multiply
    356,065.40x = 534,443.70 × 178,772.60
  4. Step 4: Simplify right side
    356,065.40x = 95,543,889,802.62
  5. Step 5: Solve for x
    x = 95,543,889,802.62/356,065.40
  6. Step 6: Final answer
    x = 268,332.42

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