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Finding the Fourth Proportional to 345,975.50, 477,446.20 and 186,999.50

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Solution

The fourth proportional to 345,975.50, 477,446.20 and 186,999.50 is: 258,059.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    345,975.50 : 477,446.20 = 186,999.50 : x
  2. Step 2: Convert to fraction form
    345,975.50/477,446.20 = 186,999.50/x
  3. Step 3: Cross multiply
    345,975.50x = 477,446.20 × 186,999.50
  4. Step 4: Simplify right side
    345,975.50x = 89,282,200,676.90
  5. Step 5: Solve for x
    x = 89,282,200,676.90/345,975.50
  6. Step 6: Final answer
    x = 258,059.32

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