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Finding the Fourth Proportional to 401,202.09, 601,840.40 and 145,098.81

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Solution

The fourth proportional to 401,202.09, 601,840.40 and 145,098.81 is: 217,661.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    401,202.09 : 601,840.40 = 145,098.81 : x
  2. Step 2: Convert to fraction form
    401,202.09/601,840.40 = 145,098.81/x
  3. Step 3: Cross multiply
    401,202.09x = 601,840.40 × 145,098.81
  4. Step 4: Simplify right side
    401,202.09x = 87,326,325,124.43
  5. Step 5: Solve for x
    x = 87,326,325,124.43/401,202.09
  6. Step 6: Final answer
    x = 217,661.69

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