Home / 600,135.20-900,250.32-200,778.08

Finding the Fourth Proportional to 600,135.20, 900,250.32 and 200,778.08

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Solution

The fourth proportional to 600,135.20, 900,250.32 and 200,778.08 is: 301,183.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    600,135.20 : 900,250.32 = 200,778.08 : x
  2. Step 2: Convert to fraction form
    600,135.20/900,250.32 = 200,778.08/x
  3. Step 3: Cross multiply
    600,135.20x = 900,250.32 × 200,778.08
  4. Step 4: Simplify right side
    600,135.20x = 180,750,530,768.99
  5. Step 5: Solve for x
    x = 180,750,530,768.99/600,135.20
  6. Step 6: Final answer
    x = 301,183.02

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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.