Home / 455,109.82-682,738.54-170,822.60

Finding the Fourth Proportional to 455,109.82, 682,738.54 and 170,822.60

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Solution

The fourth proportional to 455,109.82, 682,738.54 and 170,822.60 is: 256,261.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    455,109.82 : 682,738.54 = 170,822.60 : x
  2. Step 2: Convert to fraction form
    455,109.82/682,738.54 = 170,822.60/x
  3. Step 3: Cross multiply
    455,109.82x = 682,738.54 × 170,822.60
  4. Step 4: Simplify right side
    455,109.82x = 116,627,172,523.00
  5. Step 5: Solve for x
    x = 116,627,172,523.00/455,109.82
  6. Step 6: Final answer
    x = 256,261.60

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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.