Home / 254,736.48-381,522-121,710.24

Finding the Fourth Proportional to 254,736.48, 381,522 and 121,710.24

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Solution

The fourth proportional to 254,736.48, 381,522 and 121,710.24 is: 182,286.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,736.48 : 381,522 = 121,710.24 : x
  2. Step 2: Convert to fraction form
    254,736.48/381,522 = 121,710.24/x
  3. Step 3: Cross multiply
    254,736.48x = 381,522 × 121,710.24
  4. Step 4: Simplify right side
    254,736.48x = 46,435,134,185.28
  5. Step 5: Solve for x
    x = 46,435,134,185.28/254,736.48
  6. Step 6: Final answer
    x = 182,286.94

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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.