Home / 439,520.26-659,062.29-139,961.80

Finding the Fourth Proportional to 439,520.26, 659,062.29 and 139,961.80

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Solution

The fourth proportional to 439,520.26, 659,062.29 and 139,961.80 is: 209,873.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,520.26 : 659,062.29 = 139,961.80 : x
  2. Step 2: Convert to fraction form
    439,520.26/659,062.29 = 139,961.80/x
  3. Step 3: Cross multiply
    439,520.26x = 659,062.29 × 139,961.80
  4. Step 4: Simplify right side
    439,520.26x = 92,243,544,420.52
  5. Step 5: Solve for x
    x = 92,243,544,420.52/439,520.26
  6. Step 6: Final answer
    x = 209,873.25

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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.