Home / 254,054.35-381,229.10-113,812.97

Finding the Fourth Proportional to 254,054.35, 381,229.10 and 113,812.97

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Solution

The fourth proportional to 254,054.35, 381,229.10 and 113,812.97 is: 170,785.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,054.35 : 381,229.10 = 113,812.97 : x
  2. Step 2: Convert to fraction form
    254,054.35/381,229.10 = 113,812.97/x
  3. Step 3: Cross multiply
    254,054.35x = 381,229.10 × 113,812.97
  4. Step 4: Simplify right side
    254,054.35x = 43,388,817,359.03
  5. Step 5: Solve for x
    x = 43,388,817,359.03/254,054.35
  6. Step 6: Final answer
    x = 170,785.57

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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.