Home / 254,317.97-381,480.60-76,826.52

Finding the Fourth Proportional to 254,317.97, 381,480.60 and 76,826.52

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Solution

The fourth proportional to 254,317.97, 381,480.60 and 76,826.52 is: 115,240.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,317.97 : 381,480.60 = 76,826.52 : x
  2. Step 2: Convert to fraction form
    254,317.97/381,480.60 = 76,826.52/x
  3. Step 3: Cross multiply
    254,317.97x = 381,480.60 × 76,826.52
  4. Step 4: Simplify right side
    254,317.97x = 29,307,826,945.51
  5. Step 5: Solve for x
    x = 29,307,826,945.51/254,317.97
  6. Step 6: Final answer
    x = 115,240.88

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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.