Home / 396,746.58-547,508.58-215,457.24

Finding the Fourth Proportional to 396,746.58, 547,508.58 and 215,457.24

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Solution

The fourth proportional to 396,746.58, 547,508.58 and 215,457.24 is: 297,330.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    396,746.58 : 547,508.58 = 215,457.24 : x
  2. Step 2: Convert to fraction form
    396,746.58/547,508.58 = 215,457.24/x
  3. Step 3: Cross multiply
    396,746.58x = 547,508.58 × 215,457.24
  4. Step 4: Simplify right side
    396,746.58x = 117,964,687,523.12
  5. Step 5: Solve for x
    x = 117,964,687,523.12/396,746.58
  6. Step 6: Final answer
    x = 297,330.07

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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.