Home / 396,132.24-546,660-214,848.48

Finding the Fourth Proportional to 396,132.24, 546,660 and 214,848.48

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Solution

The fourth proportional to 396,132.24, 546,660 and 214,848.48 is: 296,489.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    396,132.24 : 546,660 = 214,848.48 : x
  2. Step 2: Convert to fraction form
    396,132.24/546,660 = 214,848.48/x
  3. Step 3: Cross multiply
    396,132.24x = 546,660 × 214,848.48
  4. Step 4: Simplify right side
    396,132.24x = 117,449,070,076.80
  5. Step 5: Solve for x
    x = 117,449,070,076.80/396,132.24
  6. Step 6: Final answer
    x = 296,489.55

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1.5x scale

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.