Home / 418,230.07-627,358.75-199,092.39

Finding the Fourth Proportional to 418,230.07, 627,358.75 and 199,092.39

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Solution

The fourth proportional to 418,230.07, 627,358.75 and 199,092.39 is: 298,645.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    418,230.07 : 627,358.75 = 199,092.39 : x
  2. Step 2: Convert to fraction form
    418,230.07/627,358.75 = 199,092.39/x
  3. Step 3: Cross multiply
    418,230.07x = 627,358.75 × 199,092.39
  4. Step 4: Simplify right side
    418,230.07x = 124,902,352,119.01
  5. Step 5: Solve for x
    x = 124,902,352,119.01/418,230.07
  6. Step 6: Final answer
    x = 298,645.08

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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.