Home / 254,741.18-381,963.54-187,313.54

Finding the Fourth Proportional to 254,741.18, 381,963.54 and 187,313.54

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Solution

The fourth proportional to 254,741.18, 381,963.54 and 187,313.54 is: 280,861.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,741.18 : 381,963.54 = 187,313.54 : x
  2. Step 2: Convert to fraction form
    254,741.18/381,963.54 = 187,313.54/x
  3. Step 3: Cross multiply
    254,741.18x = 381,963.54 × 187,313.54
  4. Step 4: Simplify right side
    254,741.18x = 71,546,942,828.33
  5. Step 5: Solve for x
    x = 71,546,942,828.33/254,741.18
  6. Step 6: Final answer
    x = 280,861.32

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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.