Home / 396,127.86-546,654.84-214,839.06

Finding the Fourth Proportional to 396,127.86, 546,654.84 and 214,839.06

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Solution

The fourth proportional to 396,127.86, 546,654.84 and 214,839.06 is: 296,477.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    396,127.86 : 546,654.84 = 214,839.06 : x
  2. Step 2: Convert to fraction form
    396,127.86/546,654.84 = 214,839.06/x
  3. Step 3: Cross multiply
    396,127.86x = 546,654.84 × 214,839.06
  4. Step 4: Simplify right side
    396,127.86x = 117,442,811,970.05
  5. Step 5: Solve for x
    x = 117,442,811,970.05/396,127.86
  6. Step 6: Final answer
    x = 296,477.03

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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.