Home / 439,340.51-658,773.80-199,323.44

Finding the Fourth Proportional to 439,340.51, 658,773.80 and 199,323.44

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Solution

The fourth proportional to 439,340.51, 658,773.80 and 199,323.44 is: 298,877.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,340.51 : 658,773.80 = 199,323.44 : x
  2. Step 2: Convert to fraction form
    439,340.51/658,773.80 = 199,323.44/x
  3. Step 3: Cross multiply
    439,340.51x = 658,773.80 × 199,323.44
  4. Step 4: Simplify right side
    439,340.51x = 131,309,061,395.65
  5. Step 5: Solve for x
    x = 131,309,061,395.65/439,340.51
  6. Step 6: Final answer
    x = 298,877.66

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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.