Home / 396,443.04-547,091.67-215,154.93

Finding the Fourth Proportional to 396,443.04, 547,091.67 and 215,154.93

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Solution

The fourth proportional to 396,443.04, 547,091.67 and 215,154.93 is: 296,913.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    396,443.04 : 547,091.67 = 215,154.93 : x
  2. Step 2: Convert to fraction form
    396,443.04/547,091.67 = 215,154.93/x
  3. Step 3: Cross multiply
    396,443.04x = 547,091.67 × 215,154.93
  4. Step 4: Simplify right side
    396,443.04x = 117,709,469,962.43
  5. Step 5: Solve for x
    x = 117,709,469,962.43/396,443.04
  6. Step 6: Final answer
    x = 296,913.95

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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.