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Finding the Fourth Proportional to 365,411.70, 548,117.55 and 207,947.70

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Solution

The fourth proportional to 365,411.70, 548,117.55 and 207,947.70 is: 311,921.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    365,411.70 : 548,117.55 = 207,947.70 : x
  2. Step 2: Convert to fraction form
    365,411.70/548,117.55 = 207,947.70/x
  3. Step 3: Cross multiply
    365,411.70x = 548,117.55 × 207,947.70
  4. Step 4: Simplify right side
    365,411.70x = 113,979,783,852.14
  5. Step 5: Solve for x
    x = 113,979,783,852.14/365,411.70
  6. Step 6: Final answer
    x = 311,921.55

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