Home / 254,559.31-381,257.58-121,533.41

Finding the Fourth Proportional to 254,559.31, 381,257.58 and 121,533.41

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Solution

The fourth proportional to 254,559.31, 381,257.58 and 121,533.41 is: 182,022.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,559.31 : 381,257.58 = 121,533.41 : x
  2. Step 2: Convert to fraction form
    254,559.31/381,257.58 = 121,533.41/x
  3. Step 3: Cross multiply
    254,559.31x = 381,257.58 × 121,533.41
  4. Step 4: Simplify right side
    254,559.31x = 46,335,535,194.64
  5. Step 5: Solve for x
    x = 46,335,535,194.64/254,559.31
  6. Step 6: Final answer
    x = 182,022.55

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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.