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Finding the Fourth Proportional to 254,062.73, 381,241.71 and 113,821.35

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Solution

The fourth proportional to 254,062.73, 381,241.71 and 113,821.35 is: 170,798.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,062.73 : 381,241.71 = 113,821.35 : x
  2. Step 2: Convert to fraction form
    254,062.73/381,241.71 = 113,821.35/x
  3. Step 3: Cross multiply
    254,062.73x = 381,241.71 × 113,821.35
  4. Step 4: Simplify right side
    254,062.73x = 43,393,446,108.51
  5. Step 5: Solve for x
    x = 43,393,446,108.51/254,062.73
  6. Step 6: Final answer
    x = 170,798.16

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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.