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Finding the Fourth Proportional to 313,645.20, 469,690.20 and 251,437.20

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Solution

The fourth proportional to 313,645.20, 469,690.20 and 251,437.20 is: 376,532.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,645.20 : 469,690.20 = 251,437.20 : x
  2. Step 2: Convert to fraction form
    313,645.20/469,690.20 = 251,437.20/x
  3. Step 3: Cross multiply
    313,645.20x = 469,690.20 × 251,437.20
  4. Step 4: Simplify right side
    313,645.20x = 118,097,588,755.44
  5. Step 5: Solve for x
    x = 118,097,588,755.44/313,645.20
  6. Step 6: Final answer
    x = 376,532.43

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