Home / 353,629.89-488,076.51-200,682.33

Finding the Fourth Proportional to 353,629.89, 488,076.51 and 200,682.33

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Solution

The fourth proportional to 353,629.89, 488,076.51 and 200,682.33 is: 276,979.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,629.89 : 488,076.51 = 200,682.33 : x
  2. Step 2: Convert to fraction form
    353,629.89/488,076.51 = 200,682.33/x
  3. Step 3: Cross multiply
    353,629.89x = 488,076.51 × 200,682.33
  4. Step 4: Simplify right side
    353,629.89x = 97,948,331,245.07
  5. Step 5: Solve for x
    x = 97,948,331,245.07/353,629.89
  6. Step 6: Final answer
    x = 276,979.79

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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.