Home / 396,209.88-546,767.28-214,922.16

Finding the Fourth Proportional to 396,209.88, 546,767.28 and 214,922.16

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Solution

The fourth proportional to 396,209.88, 546,767.28 and 214,922.16 is: 296,591.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    396,209.88 : 546,767.28 = 214,922.16 : x
  2. Step 2: Convert to fraction form
    396,209.88/546,767.28 = 214,922.16/x
  3. Step 3: Cross multiply
    396,209.88x = 546,767.28 × 214,922.16
  4. Step 4: Simplify right side
    396,209.88x = 117,512,404,834.93
  5. Step 5: Solve for x
    x = 117,512,404,834.93/396,209.88
  6. Step 6: Final answer
    x = 296,591.30

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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.