Home / 396,142.11-546,674.54-214,853.31

Finding the Fourth Proportional to 396,142.11, 546,674.54 and 214,853.31

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Solution

The fourth proportional to 396,142.11, 546,674.54 and 214,853.31 is: 296,496.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    396,142.11 : 546,674.54 = 214,853.31 : x
  2. Step 2: Convert to fraction form
    396,142.11/546,674.54 = 214,853.31/x
  3. Step 3: Cross multiply
    396,142.11x = 546,674.54 × 214,853.31
  4. Step 4: Simplify right side
    396,142.11x = 117,454,833,337.46
  5. Step 5: Solve for x
    x = 117,454,833,337.46/396,142.11
  6. Step 6: Final answer
    x = 296,496.71

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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.