Home / 351,884.03-486,003.52-231,562.47

Finding the Fourth Proportional to 351,884.03, 486,003.52 and 231,562.47

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Solution

The fourth proportional to 351,884.03, 486,003.52 and 231,562.47 is: 319,821.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,884.03 : 486,003.52 = 231,562.47 : x
  2. Step 2: Convert to fraction form
    351,884.03/486,003.52 = 231,562.47/x
  3. Step 3: Cross multiply
    351,884.03x = 486,003.52 × 231,562.47
  4. Step 4: Simplify right side
    351,884.03x = 112,540,173,668.78
  5. Step 5: Solve for x
    x = 112,540,173,668.78/351,884.03
  6. Step 6: Final answer
    x = 319,821.77

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.