Home / 254,845.68-381,436.59-187,359.96

Finding the Fourth Proportional to 254,845.68, 381,436.59 and 187,359.96

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Solution

The fourth proportional to 254,845.68, 381,436.59 and 187,359.96 is: 280,428.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,845.68 : 381,436.59 = 187,359.96 : x
  2. Step 2: Convert to fraction form
    254,845.68/381,436.59 = 187,359.96/x
  3. Step 3: Cross multiply
    254,845.68x = 381,436.59 × 187,359.96
  4. Step 4: Simplify right side
    254,845.68x = 71,465,944,244.94
  5. Step 5: Solve for x
    x = 71,465,944,244.94/254,845.68
  6. Step 6: Final answer
    x = 280,428.31

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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.