Home / 439,269.58-658,952.82-139,680.10

Finding the Fourth Proportional to 439,269.58, 658,952.82 and 139,680.10

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Solution

The fourth proportional to 439,269.58, 658,952.82 and 139,680.10 is: 209,535.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,269.58 : 658,952.82 = 139,680.10 : x
  2. Step 2: Convert to fraction form
    439,269.58/658,952.82 = 139,680.10/x
  3. Step 3: Cross multiply
    439,269.58x = 658,952.82 × 139,680.10
  4. Step 4: Simplify right side
    439,269.58x = 92,042,595,792.88
  5. Step 5: Solve for x
    x = 92,042,595,792.88/439,269.58
  6. Step 6: Final answer
    x = 209,535.56

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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.