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Finding the Fourth Proportional to 318,622.93, 439,741.64 and 191,306.73

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Solution

The fourth proportional to 318,622.93, 439,741.64 and 191,306.73 is: 264,028.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    318,622.93 : 439,741.64 = 191,306.73 : x
  2. Step 2: Convert to fraction form
    318,622.93/439,741.64 = 191,306.73/x
  3. Step 3: Cross multiply
    318,622.93x = 439,741.64 × 191,306.73
  4. Step 4: Simplify right side
    318,622.93x = 84,125,535,193.24
  5. Step 5: Solve for x
    x = 84,125,535,193.24/318,622.93
  6. Step 6: Final answer
    x = 264,028.50

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