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Finding the Fourth Proportional to 208,293.22, 287,447.43 and 116,408.47

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Solution

The fourth proportional to 208,293.22, 287,447.43 and 116,408.47 is: 160,645.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,293.22 : 287,447.43 = 116,408.47 : x
  2. Step 2: Convert to fraction form
    208,293.22/287,447.43 = 116,408.47/x
  3. Step 3: Cross multiply
    208,293.22x = 287,447.43 × 116,408.47
  4. Step 4: Simplify right side
    208,293.22x = 33,461,314,980.16
  5. Step 5: Solve for x
    x = 33,461,314,980.16/208,293.22
  6. Step 6: Final answer
    x = 160,645.24

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