Home / 204,412.62-306,735.57-79,724.46

Finding the Fourth Proportional to 204,412.62, 306,735.57 and 79,724.46

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Solution

The fourth proportional to 204,412.62, 306,735.57 and 79,724.46 is: 119,632.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,412.62 : 306,735.57 = 79,724.46 : x
  2. Step 2: Convert to fraction form
    204,412.62/306,735.57 = 79,724.46/x
  3. Step 3: Cross multiply
    204,412.62x = 306,735.57 × 79,724.46
  4. Step 4: Simplify right side
    204,412.62x = 24,454,327,681.04
  5. Step 5: Solve for x
    x = 24,454,327,681.04/204,412.62
  6. Step 6: Final answer
    x = 119,632.18

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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.