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Finding the Fourth Proportional to 312,280.36, 468,495.18 and 101,918.68

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Solution

The fourth proportional to 312,280.36, 468,495.18 and 101,918.68 is: 152,902.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    312,280.36 : 468,495.18 = 101,918.68 : x
  2. Step 2: Convert to fraction form
    312,280.36/468,495.18 = 101,918.68/x
  3. Step 3: Cross multiply
    312,280.36x = 468,495.18 × 101,918.68
  4. Step 4: Simplify right side
    312,280.36x = 47,748,410,331.96
  5. Step 5: Solve for x
    x = 47,748,410,331.96/312,280.36
  6. Step 6: Final answer
    x = 152,902.38

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