Home / 396,107.34-546,628.41-214,819.26

Finding the Fourth Proportional to 396,107.34, 546,628.41 and 214,819.26

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Solution

The fourth proportional to 396,107.34, 546,628.41 and 214,819.26 is: 296,450.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    396,107.34 : 546,628.41 = 214,819.26 : x
  2. Step 2: Convert to fraction form
    396,107.34/546,628.41 = 214,819.26/x
  3. Step 3: Cross multiply
    396,107.34x = 546,628.41 × 214,819.26
  4. Step 4: Simplify right side
    396,107.34x = 117,426,310,531.18
  5. Step 5: Solve for x
    x = 117,426,310,531.18/396,107.34
  6. Step 6: Final answer
    x = 296,450.73

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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.