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Finding the Fourth Proportional to 268,219.78, 370,149.82 and 147,368.90

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Solution

The fourth proportional to 268,219.78, 370,149.82 and 147,368.90 is: 203,372.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,219.78 : 370,149.82 = 147,368.90 : x
  2. Step 2: Convert to fraction form
    268,219.78/370,149.82 = 147,368.90/x
  3. Step 3: Cross multiply
    268,219.78x = 370,149.82 × 147,368.90
  4. Step 4: Simplify right side
    268,219.78x = 54,548,572,365.55
  5. Step 5: Solve for x
    x = 54,548,572,365.55/268,219.78
  6. Step 6: Final answer
    x = 203,372.67

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