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Finding the Fourth Proportional to 321,046.10, 481,569.15 and 300,050.90

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Solution

The fourth proportional to 321,046.10, 481,569.15 and 300,050.90 is: 450,076.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    321,046.10 : 481,569.15 = 300,050.90 : x
  2. Step 2: Convert to fraction form
    321,046.10/481,569.15 = 300,050.90/x
  3. Step 3: Cross multiply
    321,046.10x = 481,569.15 × 300,050.90
  4. Step 4: Simplify right side
    321,046.10x = 144,495,256,869.74
  5. Step 5: Solve for x
    x = 144,495,256,869.74/321,046.10
  6. Step 6: Final answer
    x = 450,076.35

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