Home / 218,110.33-301,221.72-194,335.37

Finding the Fourth Proportional to 218,110.33, 301,221.72 and 194,335.37

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Solution

The fourth proportional to 218,110.33, 301,221.72 and 194,335.37 is: 268,387.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,110.33 : 301,221.72 = 194,335.37 : x
  2. Step 2: Convert to fraction form
    218,110.33/301,221.72 = 194,335.37/x
  3. Step 3: Cross multiply
    218,110.33x = 301,221.72 × 194,335.37
  4. Step 4: Simplify right side
    218,110.33x = 58,538,032,902.13
  5. Step 5: Solve for x
    x = 58,538,032,902.13/218,110.33
  6. Step 6: Final answer
    x = 268,387.26

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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.