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Finding the Fourth Proportional to 300,854.48, 415,077.36 and 173,526.80

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Solution

The fourth proportional to 300,854.48, 415,077.36 and 173,526.80 is: 239,408.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,854.48 : 415,077.36 = 173,526.80 : x
  2. Step 2: Convert to fraction form
    300,854.48/415,077.36 = 173,526.80/x
  3. Step 3: Cross multiply
    300,854.48x = 415,077.36 × 173,526.80
  4. Step 4: Simplify right side
    300,854.48x = 72,027,046,033.25
  5. Step 5: Solve for x
    x = 72,027,046,033.25/300,854.48
  6. Step 6: Final answer
    x = 239,408.25

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