Home / 439,733.32-659,636.97-140,256.47

Finding the Fourth Proportional to 439,733.32, 659,636.97 and 140,256.47

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Solution

The fourth proportional to 439,733.32, 659,636.97 and 140,256.47 is: 210,396.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,733.32 : 659,636.97 = 140,256.47 : x
  2. Step 2: Convert to fraction form
    439,733.32/659,636.97 = 140,256.47/x
  3. Step 3: Cross multiply
    439,733.32x = 659,636.97 × 140,256.47
  4. Step 4: Simplify right side
    439,733.32x = 92,518,354,016.83
  5. Step 5: Solve for x
    x = 92,518,354,016.83/439,733.32
  6. Step 6: Final answer
    x = 210,396.51

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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.