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Finding the Fourth Proportional to 228,624.65, 315,498.60 and 126,649.79

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Solution

The fourth proportional to 228,624.65, 315,498.60 and 126,649.79 is: 174,774.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,624.65 : 315,498.60 = 126,649.79 : x
  2. Step 2: Convert to fraction form
    228,624.65/315,498.60 = 126,649.79/x
  3. Step 3: Cross multiply
    228,624.65x = 315,498.60 × 126,649.79
  4. Step 4: Simplify right side
    228,624.65x = 39,957,831,435.29
  5. Step 5: Solve for x
    x = 39,957,831,435.29/228,624.65
  6. Step 6: Final answer
    x = 174,774.82

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