Home / 222,290.89-306,761.40-120,316.33

Finding the Fourth Proportional to 222,290.89, 306,761.40 and 120,316.33

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Solution

The fourth proportional to 222,290.89, 306,761.40 and 120,316.33 is: 166,036.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,290.89 : 306,761.40 = 120,316.33 : x
  2. Step 2: Convert to fraction form
    222,290.89/306,761.40 = 120,316.33/x
  3. Step 3: Cross multiply
    222,290.89x = 306,761.40 × 120,316.33
  4. Step 4: Simplify right side
    222,290.89x = 36,908,405,833.66
  5. Step 5: Solve for x
    x = 36,908,405,833.66/222,290.89
  6. Step 6: Final answer
    x = 166,036.52

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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.