Home / 439,268.05-658,212.90-261,677.98

Finding the Fourth Proportional to 439,268.05, 658,212.90 and 261,677.98

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Solution

The fourth proportional to 439,268.05, 658,212.90 and 261,677.98 is: 392,106.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,268.05 : 658,212.90 = 261,677.98 : x
  2. Step 2: Convert to fraction form
    439,268.05/658,212.90 = 261,677.98/x
  3. Step 3: Cross multiply
    439,268.05x = 658,212.90 × 261,677.98
  4. Step 4: Simplify right side
    439,268.05x = 172,239,822,081.94
  5. Step 5: Solve for x
    x = 172,239,822,081.94/439,268.05
  6. Step 6: Final answer
    x = 392,106.42

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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.