Home / 396,944.30-596,107.65-210,320.30

Finding the Fourth Proportional to 396,944.30, 596,107.65 and 210,320.30

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Solution

The fourth proportional to 396,944.30, 596,107.65 and 210,320.30 is: 315,846.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    396,944.30 : 596,107.65 = 210,320.30 : x
  2. Step 2: Convert to fraction form
    396,944.30/596,107.65 = 210,320.30/x
  3. Step 3: Cross multiply
    396,944.30x = 596,107.65 × 210,320.30
  4. Step 4: Simplify right side
    396,944.30x = 125,373,539,780.30
  5. Step 5: Solve for x
    x = 125,373,539,780.30/396,944.30
  6. Step 6: Final answer
    x = 315,846.68

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.