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Finding the Fourth Proportional to 573,993.96, 861,184.69 and 254,101.70

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Solution

The fourth proportional to 573,993.96, 861,184.69 and 254,101.70 is: 381,238.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    573,993.96 : 861,184.69 = 254,101.70 : x
  2. Step 2: Convert to fraction form
    573,993.96/861,184.69 = 254,101.70/x
  3. Step 3: Cross multiply
    573,993.96x = 861,184.69 × 254,101.70
  4. Step 4: Simplify right side
    573,993.96x = 218,828,493,742.97
  5. Step 5: Solve for x
    x = 218,828,493,742.97/573,993.96
  6. Step 6: Final answer
    x = 381,238.32

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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.