Home / 254,453.73-381,099.26-121,427.40

Finding the Fourth Proportional to 254,453.73, 381,099.26 and 121,427.40

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Solution

The fourth proportional to 254,453.73, 381,099.26 and 121,427.40 is: 181,863.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,453.73 : 381,099.26 = 121,427.40 : x
  2. Step 2: Convert to fraction form
    254,453.73/381,099.26 = 121,427.40/x
  3. Step 3: Cross multiply
    254,453.73x = 381,099.26 × 121,427.40
  4. Step 4: Simplify right side
    254,453.73x = 46,275,891,676.59
  5. Step 5: Solve for x
    x = 46,275,891,676.59/254,453.73
  6. Step 6: Final answer
    x = 181,863.68

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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.