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Finding the Fourth Proportional to 294,836.20, 442,254.30 and 73,220.20

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Solution

The fourth proportional to 294,836.20, 442,254.30 and 73,220.20 is: 109,830.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    294,836.20 : 442,254.30 = 73,220.20 : x
  2. Step 2: Convert to fraction form
    294,836.20/442,254.30 = 73,220.20/x
  3. Step 3: Cross multiply
    294,836.20x = 442,254.30 × 73,220.20
  4. Step 4: Simplify right side
    294,836.20x = 32,381,948,296.86
  5. Step 5: Solve for x
    x = 32,381,948,296.86/294,836.20
  6. Step 6: Final answer
    x = 109,830.30

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