Home / 321,171.40-481,782.02-96,514.28

Finding the Fourth Proportional to 321,171.40, 481,782.02 and 96,514.28

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Solution

The fourth proportional to 321,171.40, 481,782.02 and 96,514.28 is: 144,778.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    321,171.40 : 481,782.02 = 96,514.28 : x
  2. Step 2: Convert to fraction form
    321,171.40/481,782.02 = 96,514.28/x
  3. Step 3: Cross multiply
    321,171.40x = 481,782.02 × 96,514.28
  4. Step 4: Simplify right side
    321,171.40x = 46,498,844,777.25
  5. Step 5: Solve for x
    x = 46,498,844,777.25/321,171.40
  6. Step 6: Final answer
    x = 144,778.91

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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.