Home / 386,924.19-579,861.35-218,361.16

Finding the Fourth Proportional to 386,924.19, 579,861.35 and 218,361.16

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Solution

The fourth proportional to 386,924.19, 579,861.35 and 218,361.16 is: 327,245.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    386,924.19 : 579,861.35 = 218,361.16 : x
  2. Step 2: Convert to fraction form
    386,924.19/579,861.35 = 218,361.16/x
  3. Step 3: Cross multiply
    386,924.19x = 579,861.35 × 218,361.16
  4. Step 4: Simplify right side
    386,924.19x = 126,619,198,705.32
  5. Step 5: Solve for x
    x = 126,619,198,705.32/386,924.19
  6. Step 6: Final answer
    x = 327,245.50

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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.