Home / 396,945.30-596,109.15-210,321.30

Finding the Fourth Proportional to 396,945.30, 596,109.15 and 210,321.30

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Solution

The fourth proportional to 396,945.30, 596,109.15 and 210,321.30 is: 315,848.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    396,945.30 : 596,109.15 = 210,321.30 : x
  2. Step 2: Convert to fraction form
    396,945.30/596,109.15 = 210,321.30/x
  3. Step 3: Cross multiply
    396,945.30x = 596,109.15 × 210,321.30
  4. Step 4: Simplify right side
    396,945.30x = 125,374,451,369.90
  5. Step 5: Solve for x
    x = 125,374,451,369.90/396,945.30
  6. Step 6: Final answer
    x = 315,848.18

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1.5x scale

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.