Home / 455,087.18-682,876.80-188,874.60

Finding the Fourth Proportional to 455,087.18, 682,876.80 and 188,874.60

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Solution

The fourth proportional to 455,087.18, 682,876.80 and 188,874.60 is: 283,414.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    455,087.18 : 682,876.80 = 188,874.60 : x
  2. Step 2: Convert to fraction form
    455,087.18/682,876.80 = 188,874.60/x
  3. Step 3: Cross multiply
    455,087.18x = 682,876.80 × 188,874.60
  4. Step 4: Simplify right side
    455,087.18x = 128,978,082,449.28
  5. Step 5: Solve for x
    x = 128,978,082,449.28/455,087.18
  6. Step 6: Final answer
    x = 283,414.01

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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.