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Finding the Fourth Proportional to 318,539.27, 477,475.72 and 118,772.75

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Solution

The fourth proportional to 318,539.27, 477,475.72 and 118,772.75 is: 178,034.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    318,539.27 : 477,475.72 = 118,772.75 : x
  2. Step 2: Convert to fraction form
    318,539.27/477,475.72 = 118,772.75/x
  3. Step 3: Cross multiply
    318,539.27x = 477,475.72 × 118,772.75
  4. Step 4: Simplify right side
    318,539.27x = 56,711,104,322.63
  5. Step 5: Solve for x
    x = 56,711,104,322.63/318,539.27
  6. Step 6: Final answer
    x = 178,034.89

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