Home / 396,201.60-546,755-214,913.08

Finding the Fourth Proportional to 396,201.60, 546,755 and 214,913.08

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Solution

The fourth proportional to 396,201.60, 546,755 and 214,913.08 is: 296,578.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    396,201.60 : 546,755 = 214,913.08 : x
  2. Step 2: Convert to fraction form
    396,201.60/546,755 = 214,913.08/x
  3. Step 3: Cross multiply
    396,201.60x = 546,755 × 214,913.08
  4. Step 4: Simplify right side
    396,201.60x = 117,504,801,055.40
  5. Step 5: Solve for x
    x = 117,504,801,055.40/396,201.60
  6. Step 6: Final answer
    x = 296,578.31

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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.