Home / 321,016.17-481,261.55-121,223.19

Finding the Fourth Proportional to 321,016.17, 481,261.55 and 121,223.19

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Solution

The fourth proportional to 321,016.17, 481,261.55 and 121,223.19 is: 181,735.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    321,016.17 : 481,261.55 = 121,223.19 : x
  2. Step 2: Convert to fraction form
    321,016.17/481,261.55 = 121,223.19/x
  3. Step 3: Cross multiply
    321,016.17x = 481,261.55 × 121,223.19
  4. Step 4: Simplify right side
    321,016.17x = 58,340,059,709.23
  5. Step 5: Solve for x
    x = 58,340,059,709.23/321,016.17
  6. Step 6: Final answer
    x = 181,735.58

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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.