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Finding the Fourth Proportional to 254,157.94, 381,832.68 and 239,795.56

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Solution

The fourth proportional to 254,157.94, 381,832.68 and 239,795.56 is: 360,255.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,157.94 : 381,832.68 = 239,795.56 : x
  2. Step 2: Convert to fraction form
    254,157.94/381,832.68 = 239,795.56/x
  3. Step 3: Cross multiply
    254,157.94x = 381,832.68 × 239,795.56
  4. Step 4: Simplify right side
    254,157.94x = 91,561,781,326.90
  5. Step 5: Solve for x
    x = 91,561,781,326.90/254,157.94
  6. Step 6: Final answer
    x = 360,255.44

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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.