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Finding the Fourth Proportional to 228,406.92, 315,193.48 and 126,432.60

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Solution

The fourth proportional to 228,406.92, 315,193.48 and 126,432.60 is: 174,472.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,406.92 : 315,193.48 = 126,432.60 : x
  2. Step 2: Convert to fraction form
    228,406.92/315,193.48 = 126,432.60/x
  3. Step 3: Cross multiply
    228,406.92x = 315,193.48 × 126,432.60
  4. Step 4: Simplify right side
    228,406.92x = 39,850,731,179.45
  5. Step 5: Solve for x
    x = 39,850,731,179.45/228,406.92
  6. Step 6: Final answer
    x = 174,472.52

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