Home / 499,131.50-748,397.97-228,921.23

Finding the Fourth Proportional to 499,131.50, 748,397.97 and 228,921.23

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Solution

The fourth proportional to 499,131.50, 748,397.97 and 228,921.23 is: 343,244.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    499,131.50 : 748,397.97 = 228,921.23 : x
  2. Step 2: Convert to fraction form
    499,131.50/748,397.97 = 228,921.23/x
  3. Step 3: Cross multiply
    499,131.50x = 748,397.97 × 228,921.23
  4. Step 4: Simplify right side
    499,131.50x = 171,324,180,079.91
  5. Step 5: Solve for x
    x = 171,324,180,079.91/499,131.50
  6. Step 6: Final answer
    x = 343,244.58

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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.