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Finding the Fourth Proportional to 254,579, 381,772.50 and 204,536.12

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Solution

The fourth proportional to 254,579, 381,772.50 and 204,536.12 is: 306,727.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,579 : 381,772.50 = 204,536.12 : x
  2. Step 2: Convert to fraction form
    254,579/381,772.50 = 204,536.12/x
  3. Step 3: Cross multiply
    254,579x = 381,772.50 × 204,536.12
  4. Step 4: Simplify right side
    254,579x = 78,086,265,872.70
  5. Step 5: Solve for x
    x = 78,086,265,872.70/254,579
  6. Step 6: Final answer
    x = 306,727.05

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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.