Home / 396,525.56-547,205.76-215,237.39

Finding the Fourth Proportional to 396,525.56, 547,205.76 and 215,237.39

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Solution

The fourth proportional to 396,525.56, 547,205.76 and 215,237.39 is: 297,027.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    396,525.56 : 547,205.76 = 215,237.39 : x
  2. Step 2: Convert to fraction form
    396,525.56/547,205.76 = 215,237.39/x
  3. Step 3: Cross multiply
    396,525.56x = 547,205.76 × 215,237.39
  4. Step 4: Simplify right side
    396,525.56x = 117,779,136,839.34
  5. Step 5: Solve for x
    x = 117,779,136,839.34/396,525.56
  6. Step 6: Final answer
    x = 297,027.86

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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.