Home / 396,817.19-547,611.70-215,532.66

Finding the Fourth Proportional to 396,817.19, 547,611.70 and 215,532.66

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Solution

The fourth proportional to 396,817.19, 547,611.70 and 215,532.66 is: 297,437.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    396,817.19 : 547,611.70 = 215,532.66 : x
  2. Step 2: Convert to fraction form
    396,817.19/547,611.70 = 215,532.66/x
  3. Step 3: Cross multiply
    396,817.19x = 547,611.70 × 215,532.66
  4. Step 4: Simplify right side
    396,817.19x = 118,028,205,270.46
  5. Step 5: Solve for x
    x = 118,028,205,270.46/396,817.19
  6. Step 6: Final answer
    x = 297,437.23

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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.