Home / 321,126.37-481,757.15-121,442.29

Finding the Fourth Proportional to 321,126.37, 481,757.15 and 121,442.29

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Solution

The fourth proportional to 321,126.37, 481,757.15 and 121,442.29 is: 182,189.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    321,126.37 : 481,757.15 = 121,442.29 : x
  2. Step 2: Convert to fraction form
    321,126.37/481,757.15 = 121,442.29/x
  3. Step 3: Cross multiply
    321,126.37x = 481,757.15 × 121,442.29
  4. Step 4: Simplify right side
    321,126.37x = 58,505,691,519.87
  5. Step 5: Solve for x
    x = 58,505,691,519.87/321,126.37
  6. Step 6: Final answer
    x = 182,189.00

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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.