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Finding the Fourth Proportional to 294,928.80, 442,393.20 and 73,312.80

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Solution

The fourth proportional to 294,928.80, 442,393.20 and 73,312.80 is: 109,969.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    294,928.80 : 442,393.20 = 73,312.80 : x
  2. Step 2: Convert to fraction form
    294,928.80/442,393.20 = 73,312.80/x
  3. Step 3: Cross multiply
    294,928.80x = 442,393.20 × 73,312.80
  4. Step 4: Simplify right side
    294,928.80x = 32,433,084,192.96
  5. Step 5: Solve for x
    x = 32,433,084,192.96/294,928.80
  6. Step 6: Final answer
    x = 109,969.20

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