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Finding the Fourth Proportional to 362,709.20, 543,869.40 and 152,109.20

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Solution

The fourth proportional to 362,709.20, 543,869.40 and 152,109.20 is: 228,082.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    362,709.20 : 543,869.40 = 152,109.20 : x
  2. Step 2: Convert to fraction form
    362,709.20/543,869.40 = 152,109.20/x
  3. Step 3: Cross multiply
    362,709.20x = 543,869.40 × 152,109.20
  4. Step 4: Simplify right side
    362,709.20x = 82,727,539,338.48
  5. Step 5: Solve for x
    x = 82,727,539,338.48/362,709.20
  6. Step 6: Final answer
    x = 228,082.27

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