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Finding the Fourth Proportional to 356,046.40, 534,415.20 and 178,753.60

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Solution

The fourth proportional to 356,046.40, 534,415.20 and 178,753.60 is: 268,303.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,046.40 : 534,415.20 = 178,753.60 : x
  2. Step 2: Convert to fraction form
    356,046.40/534,415.20 = 178,753.60/x
  3. Step 3: Cross multiply
    356,046.40x = 534,415.20 × 178,753.60
  4. Step 4: Simplify right side
    356,046.40x = 95,528,640,894.72
  5. Step 5: Solve for x
    x = 95,528,640,894.72/356,046.40
  6. Step 6: Final answer
    x = 268,303.91

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