Home / 321,742.55-444,016.59-194,393.54

Finding the Fourth Proportional to 321,742.55, 444,016.59 and 194,393.54

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Solution

The fourth proportional to 321,742.55, 444,016.59 and 194,393.54 is: 268,270.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    321,742.55 : 444,016.59 = 194,393.54 : x
  2. Step 2: Convert to fraction form
    321,742.55/444,016.59 = 194,393.54/x
  3. Step 3: Cross multiply
    321,742.55x = 444,016.59 × 194,393.54
  4. Step 4: Simplify right side
    321,742.55x = 86,313,957,129.89
  5. Step 5: Solve for x
    x = 86,313,957,129.89/321,742.55
  6. Step 6: Final answer
    x = 268,270.26

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.