Home / 321,190.87-481,786.66-96,551.28

Finding the Fourth Proportional to 321,190.87, 481,786.66 and 96,551.28

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Solution

The fourth proportional to 321,190.87, 481,786.66 and 96,551.28 is: 144,827.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    321,190.87 : 481,786.66 = 96,551.28 : x
  2. Step 2: Convert to fraction form
    321,190.87/481,786.66 = 96,551.28/x
  3. Step 3: Cross multiply
    321,190.87x = 481,786.66 × 96,551.28
  4. Step 4: Simplify right side
    321,190.87x = 46,517,118,287.51
  5. Step 5: Solve for x
    x = 46,517,118,287.51/321,190.87
  6. Step 6: Final answer
    x = 144,827.03

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.