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Finding the Fourth Proportional to 339,962.70, 509,944.05 and 118,346.70

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Solution

The fourth proportional to 339,962.70, 509,944.05 and 118,346.70 is: 177,520.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,962.70 : 509,944.05 = 118,346.70 : x
  2. Step 2: Convert to fraction form
    339,962.70/509,944.05 = 118,346.70/x
  3. Step 3: Cross multiply
    339,962.70x = 509,944.05 × 118,346.70
  4. Step 4: Simplify right side
    339,962.70x = 60,350,195,502.14
  5. Step 5: Solve for x
    x = 60,350,195,502.14/339,962.70
  6. Step 6: Final answer
    x = 177,520.05

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