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Finding the Fourth Proportional to 400,058.15, 552,071.90 and 218,768.03

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Solution

The fourth proportional to 400,058.15, 552,071.90 and 218,768.03 is: 301,895.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    400,058.15 : 552,071.90 = 218,768.03 : x
  2. Step 2: Convert to fraction form
    400,058.15/552,071.90 = 218,768.03/x
  3. Step 3: Cross multiply
    400,058.15x = 552,071.90 × 218,768.03
  4. Step 4: Simplify right side
    400,058.15x = 120,775,680,887.52
  5. Step 5: Solve for x
    x = 120,775,680,887.52/400,058.15
  6. Step 6: Final answer
    x = 301,895.31

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