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Finding the Fourth Proportional to 208,025.80, 312,038.70 and 174,200.20

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Solution

The fourth proportional to 208,025.80, 312,038.70 and 174,200.20 is: 261,300.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,025.80 : 312,038.70 = 174,200.20 : x
  2. Step 2: Convert to fraction form
    208,025.80/312,038.70 = 174,200.20/x
  3. Step 3: Cross multiply
    208,025.80x = 312,038.70 × 174,200.20
  4. Step 4: Simplify right side
    208,025.80x = 54,357,203,947.74
  5. Step 5: Solve for x
    x = 54,357,203,947.74/208,025.80
  6. Step 6: Final answer
    x = 261,300.30

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