Home / 418,231.08-627,360.25-199,093.39

Finding the Fourth Proportional to 418,231.08, 627,360.25 and 199,093.39

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Solution

The fourth proportional to 418,231.08, 627,360.25 and 199,093.39 is: 298,646.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    418,231.08 : 627,360.25 = 199,093.39 : x
  2. Step 2: Convert to fraction form
    418,231.08/627,360.25 = 199,093.39/x
  3. Step 3: Cross multiply
    418,231.08x = 627,360.25 × 199,093.39
  4. Step 4: Simplify right side
    418,231.08x = 124,903,278,923.75
  5. Step 5: Solve for x
    x = 124,903,278,923.75/418,231.08
  6. Step 6: Final answer
    x = 298,646.58

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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.