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Finding the Fourth Proportional to 298,033.20, 446,895.90 and 87,643.80

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Solution

The fourth proportional to 298,033.20, 446,895.90 and 87,643.80 is: 131,420.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,033.20 : 446,895.90 = 87,643.80 : x
  2. Step 2: Convert to fraction form
    298,033.20/446,895.90 = 87,643.80/x
  3. Step 3: Cross multiply
    298,033.20x = 446,895.90 × 87,643.80
  4. Step 4: Simplify right side
    298,033.20x = 39,167,654,880.42
  5. Step 5: Solve for x
    x = 39,167,654,880.42/298,033.20
  6. Step 6: Final answer
    x = 131,420.44

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