Home / 396,572.36-547,274.10-215,285.96

Finding the Fourth Proportional to 396,572.36, 547,274.10 and 215,285.96

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Solution

The fourth proportional to 396,572.36, 547,274.10 and 215,285.96 is: 297,096.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    396,572.36 : 547,274.10 = 215,285.96 : x
  2. Step 2: Convert to fraction form
    396,572.36/547,274.10 = 215,285.96/x
  3. Step 3: Cross multiply
    396,572.36x = 547,274.10 × 215,285.96
  4. Step 4: Simplify right side
    396,572.36x = 117,820,430,001.64
  5. Step 5: Solve for x
    x = 117,820,430,001.64/396,572.36
  6. Step 6: Final answer
    x = 297,096.93

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1.5x scale

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.