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Finding the Fourth Proportional to 275,835.30, 413,801.55 and 98,445.30

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Solution

The fourth proportional to 275,835.30, 413,801.55 and 98,445.30 is: 147,685.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,835.30 : 413,801.55 = 98,445.30 : x
  2. Step 2: Convert to fraction form
    275,835.30/413,801.55 = 98,445.30/x
  3. Step 3: Cross multiply
    275,835.30x = 413,801.55 × 98,445.30
  4. Step 4: Simplify right side
    275,835.30x = 40,736,817,730.22
  5. Step 5: Solve for x
    x = 40,736,817,730.22/275,835.30
  6. Step 6: Final answer
    x = 147,685.30

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