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Finding the Fourth Proportional to 312,065.40, 468,098.10 and 264,826.20

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Solution

The fourth proportional to 312,065.40, 468,098.10 and 264,826.20 is: 397,239.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    312,065.40 : 468,098.10 = 264,826.20 : x
  2. Step 2: Convert to fraction form
    312,065.40/468,098.10 = 264,826.20/x
  3. Step 3: Cross multiply
    312,065.40x = 468,098.10 × 264,826.20
  4. Step 4: Simplify right side
    312,065.40x = 123,964,641,050.22
  5. Step 5: Solve for x
    x = 123,964,641,050.22/312,065.40
  6. Step 6: Final answer
    x = 397,239.30

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