Home / 222,463.38-306,999.84-120,489.06

Finding the Fourth Proportional to 222,463.38, 306,999.84 and 120,489.06

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Solution

The fourth proportional to 222,463.38, 306,999.84 and 120,489.06 is: 166,275.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,463.38 : 306,999.84 = 120,489.06 : x
  2. Step 2: Convert to fraction form
    222,463.38/306,999.84 = 120,489.06/x
  3. Step 3: Cross multiply
    222,463.38x = 306,999.84 × 120,489.06
  4. Step 4: Simplify right side
    222,463.38x = 36,990,122,141.75
  5. Step 5: Solve for x
    x = 36,990,122,141.75/222,463.38
  6. Step 6: Final answer
    x = 166,275.11

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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.