Home / 396,377.17-546,771.73-252,975.58

Finding the Fourth Proportional to 396,377.17, 546,771.73 and 252,975.58

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Solution

The fourth proportional to 396,377.17, 546,771.73 and 252,975.58 is: 348,960.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    396,377.17 : 546,771.73 = 252,975.58 : x
  2. Step 2: Convert to fraction form
    396,377.17/546,771.73 = 252,975.58/x
  3. Step 3: Cross multiply
    396,377.17x = 546,771.73 × 252,975.58
  4. Step 4: Simplify right side
    396,377.17x = 138,319,891,525.62
  5. Step 5: Solve for x
    x = 138,319,891,525.62/396,377.17
  6. Step 6: Final answer
    x = 348,960.29

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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.