Home / 439,356.35-658,797.45-199,339.26

Finding the Fourth Proportional to 439,356.35, 658,797.45 and 199,339.26

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Solution

The fourth proportional to 439,356.35, 658,797.45 and 199,339.26 is: 298,901.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,356.35 : 658,797.45 = 199,339.26 : x
  2. Step 2: Convert to fraction form
    439,356.35/658,797.45 = 199,339.26/x
  3. Step 3: Cross multiply
    439,356.35x = 658,797.45 × 199,339.26
  4. Step 4: Simplify right side
    439,356.35x = 131,324,196,172.89
  5. Step 5: Solve for x
    x = 131,324,196,172.89/439,356.35
  6. Step 6: Final answer
    x = 298,901.33

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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.