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Finding the Fourth Proportional to 275,492.09, 413,049.47 and 140,294.46

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Solution

The fourth proportional to 275,492.09, 413,049.47 and 140,294.46 is: 210,345.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,492.09 : 413,049.47 = 140,294.46 : x
  2. Step 2: Convert to fraction form
    275,492.09/413,049.47 = 140,294.46/x
  3. Step 3: Cross multiply
    275,492.09x = 413,049.47 × 140,294.46
  4. Step 4: Simplify right side
    275,492.09x = 57,948,551,645.46
  5. Step 5: Solve for x
    x = 57,948,551,645.46/275,492.09
  6. Step 6: Final answer
    x = 210,345.61

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