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Finding the Fourth Proportional to 296,178.40, 442,971.60 and 264,815.20

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Solution

The fourth proportional to 296,178.40, 442,971.60 and 264,815.20 is: 396,064.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    296,178.40 : 442,971.60 = 264,815.20 : x
  2. Step 2: Convert to fraction form
    296,178.40/442,971.60 = 264,815.20/x
  3. Step 3: Cross multiply
    296,178.40x = 442,971.60 × 264,815.20
  4. Step 4: Simplify right side
    296,178.40x = 117,305,612,848.32
  5. Step 5: Solve for x
    x = 117,305,612,848.32/296,178.40
  6. Step 6: Final answer
    x = 396,064.04

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