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Finding the Fourth Proportional to 356,442.20, 534,807.30 and 156,800.60

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Solution

The fourth proportional to 356,442.20, 534,807.30 and 156,800.60 is: 235,264.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,442.20 : 534,807.30 = 156,800.60 : x
  2. Step 2: Convert to fraction form
    356,442.20/534,807.30 = 156,800.60/x
  3. Step 3: Cross multiply
    356,442.20x = 534,807.30 × 156,800.60
  4. Step 4: Simplify right side
    356,442.20x = 83,858,105,524.38
  5. Step 5: Solve for x
    x = 83,858,105,524.38/356,442.20
  6. Step 6: Final answer
    x = 235,264.25

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