Home / 439,341.51-658,775.30-199,324.44

Finding the Fourth Proportional to 439,341.51, 658,775.30 and 199,324.44

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Solution

The fourth proportional to 439,341.51, 658,775.30 and 199,324.44 is: 298,879.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,341.51 : 658,775.30 = 199,324.44 : x
  2. Step 2: Convert to fraction form
    439,341.51/658,775.30 = 199,324.44/x
  3. Step 3: Cross multiply
    439,341.51x = 658,775.30 × 199,324.44
  4. Step 4: Simplify right side
    439,341.51x = 131,310,017,758.33
  5. Step 5: Solve for x
    x = 131,310,017,758.33/439,341.51
  6. Step 6: Final answer
    x = 298,879.15

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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.