Home / 439,606.85-659,403.05-140,083.29

Finding the Fourth Proportional to 439,606.85, 659,403.05 and 140,083.29

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Solution

The fourth proportional to 439,606.85, 659,403.05 and 140,083.29 is: 210,122.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,606.85 : 659,403.05 = 140,083.29 : x
  2. Step 2: Convert to fraction form
    439,606.85/659,403.05 = 140,083.29/x
  3. Step 3: Cross multiply
    439,606.85x = 659,403.05 × 140,083.29
  4. Step 4: Simplify right side
    439,606.85x = 92,371,347,979.62
  5. Step 5: Solve for x
    x = 92,371,347,979.62/439,606.85
  6. Step 6: Final answer
    x = 210,122.63

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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.