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Finding the Fourth Proportional to 291,736.80, 437,605.20 and 159,026.40

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Solution

The fourth proportional to 291,736.80, 437,605.20 and 159,026.40 is: 238,539.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,736.80 : 437,605.20 = 159,026.40 : x
  2. Step 2: Convert to fraction form
    291,736.80/437,605.20 = 159,026.40/x
  3. Step 3: Cross multiply
    291,736.80x = 437,605.20 × 159,026.40
  4. Step 4: Simplify right side
    291,736.80x = 69,590,779,577.28
  5. Step 5: Solve for x
    x = 69,590,779,577.28/291,736.80
  6. Step 6: Final answer
    x = 238,539.60

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