Home / 290,610.18-401,046.80-159,793.33

Finding the Fourth Proportional to 290,610.18, 401,046.80 and 159,793.33

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Solution

The fourth proportional to 290,610.18, 401,046.80 and 159,793.33 is: 220,517.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    290,610.18 : 401,046.80 = 159,793.33 : x
  2. Step 2: Convert to fraction form
    290,610.18/401,046.80 = 159,793.33/x
  3. Step 3: Cross multiply
    290,610.18x = 401,046.80 × 159,793.33
  4. Step 4: Simplify right side
    290,610.18x = 64,084,603,736.17
  5. Step 5: Solve for x
    x = 64,084,603,736.17/290,610.18
  6. Step 6: Final answer
    x = 220,517.41

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.