Home / 439,837.80-659,627.10-173,509.80

Finding the Fourth Proportional to 439,837.80, 659,627.10 and 173,509.80

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Solution

The fourth proportional to 439,837.80, 659,627.10 and 173,509.80 is: 260,213.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,837.80 : 659,627.10 = 173,509.80 : x
  2. Step 2: Convert to fraction form
    439,837.80/659,627.10 = 173,509.80/x
  3. Step 3: Cross multiply
    439,837.80x = 659,627.10 × 173,509.80
  4. Step 4: Simplify right side
    439,837.80x = 114,451,766,195.58
  5. Step 5: Solve for x
    x = 114,451,766,195.58/439,837.80
  6. Step 6: Final answer
    x = 260,213.57

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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.