Home / 384,504.20-576,449.10-162,705.80

Finding the Fourth Proportional to 384,504.20, 576,449.10 and 162,705.80

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Solution

The fourth proportional to 384,504.20, 576,449.10 and 162,705.80 is: 243,928.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    384,504.20 : 576,449.10 = 162,705.80 : x
  2. Step 2: Convert to fraction form
    384,504.20/576,449.10 = 162,705.80/x
  3. Step 3: Cross multiply
    384,504.20x = 576,449.10 × 162,705.80
  4. Step 4: Simplify right side
    384,504.20x = 93,791,611,974.78
  5. Step 5: Solve for x
    x = 93,791,611,974.78/384,504.20
  6. Step 6: Final answer
    x = 243,928.71

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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.