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Finding the Fourth Proportional to 356,187.60, 534,281.40 and 223,477.20

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Solution

The fourth proportional to 356,187.60, 534,281.40 and 223,477.20 is: 335,215.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,187.60 : 534,281.40 = 223,477.20 : x
  2. Step 2: Convert to fraction form
    356,187.60/534,281.40 = 223,477.20/x
  3. Step 3: Cross multiply
    356,187.60x = 534,281.40 × 223,477.20
  4. Step 4: Simplify right side
    356,187.60x = 119,399,711,284.08
  5. Step 5: Solve for x
    x = 119,399,711,284.08/356,187.60
  6. Step 6: Final answer
    x = 335,215.80

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