Home / 396,389.34-547,017.66-226,627.02

Finding the Fourth Proportional to 396,389.34, 547,017.66 and 226,627.02

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Solution

The fourth proportional to 396,389.34, 547,017.66 and 226,627.02 is: 312,745.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    396,389.34 : 547,017.66 = 226,627.02 : x
  2. Step 2: Convert to fraction form
    396,389.34/547,017.66 = 226,627.02/x
  3. Step 3: Cross multiply
    396,389.34x = 547,017.66 × 226,627.02
  4. Step 4: Simplify right side
    396,389.34x = 123,968,982,173.17
  5. Step 5: Solve for x
    x = 123,968,982,173.17/396,389.34
  6. Step 6: Final answer
    x = 312,745.50

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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.