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Finding the Fourth Proportional to 320,492.66, 442,416.05 and 199,693.63

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Solution

The fourth proportional to 320,492.66, 442,416.05 and 199,693.63 is: 275,662.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,492.66 : 442,416.05 = 199,693.63 : x
  2. Step 2: Convert to fraction form
    320,492.66/442,416.05 = 199,693.63/x
  3. Step 3: Cross multiply
    320,492.66x = 442,416.05 × 199,693.63
  4. Step 4: Simplify right side
    320,492.66x = 88,347,666,334.69
  5. Step 5: Solve for x
    x = 88,347,666,334.69/320,492.66
  6. Step 6: Final answer
    x = 275,662.06

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