Home / 396,160.88-546,709.48-243,122.52

Finding the Fourth Proportional to 396,160.88, 546,709.48 and 243,122.52

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Solution

The fourth proportional to 396,160.88, 546,709.48 and 243,122.52 is: 335,513.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    396,160.88 : 546,709.48 = 243,122.52 : x
  2. Step 2: Convert to fraction form
    396,160.88/546,709.48 = 243,122.52/x
  3. Step 3: Cross multiply
    396,160.88x = 546,709.48 × 243,122.52
  4. Step 4: Simplify right side
    396,160.88x = 132,917,386,485.49
  5. Step 5: Solve for x
    x = 132,917,386,485.49/396,160.88
  6. Step 6: Final answer
    x = 335,513.66

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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.