Home / 439,377.51-658,829.13-199,360.43

Finding the Fourth Proportional to 439,377.51, 658,829.13 and 199,360.43

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Solution

The fourth proportional to 439,377.51, 658,829.13 and 199,360.43 is: 298,933.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,377.51 : 658,829.13 = 199,360.43 : x
  2. Step 2: Convert to fraction form
    439,377.51/658,829.13 = 199,360.43/x
  3. Step 3: Cross multiply
    439,377.51x = 658,829.13 × 199,360.43
  4. Step 4: Simplify right side
    439,377.51x = 131,344,461,871.54
  5. Step 5: Solve for x
    x = 131,344,461,871.54/439,377.51
  6. Step 6: Final answer
    x = 298,933.06

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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.