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Finding the Fourth Proportional to 352,123.20, 528,184.80 and 115,408.80

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Solution

The fourth proportional to 352,123.20, 528,184.80 and 115,408.80 is: 173,113.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,123.20 : 528,184.80 = 115,408.80 : x
  2. Step 2: Convert to fraction form
    352,123.20/528,184.80 = 115,408.80/x
  3. Step 3: Cross multiply
    352,123.20x = 528,184.80 × 115,408.80
  4. Step 4: Simplify right side
    352,123.20x = 60,957,173,946.24
  5. Step 5: Solve for x
    x = 60,957,173,946.24/352,123.20
  6. Step 6: Final answer
    x = 173,113.20

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