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Finding the Fourth Proportional to 342,858.80, 514,871.40 and 254,212.40

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Solution

The fourth proportional to 342,858.80, 514,871.40 and 254,212.40 is: 381,751.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,858.80 : 514,871.40 = 254,212.40 : x
  2. Step 2: Convert to fraction form
    342,858.80/514,871.40 = 254,212.40/x
  3. Step 3: Cross multiply
    342,858.80x = 514,871.40 × 254,212.40
  4. Step 4: Simplify right side
    342,858.80x = 130,886,694,285.36
  5. Step 5: Solve for x
    x = 130,886,694,285.36/342,858.80
  6. Step 6: Final answer
    x = 381,751.01

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