Home / 400,016.45-600,099.40-133,778.36

Finding the Fourth Proportional to 400,016.45, 600,099.40 and 133,778.36

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Solution

The fourth proportional to 400,016.45, 600,099.40 and 133,778.36 is: 200,692.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    400,016.45 : 600,099.40 = 133,778.36 : x
  2. Step 2: Convert to fraction form
    400,016.45/600,099.40 = 133,778.36/x
  3. Step 3: Cross multiply
    400,016.45x = 600,099.40 × 133,778.36
  4. Step 4: Simplify right side
    400,016.45x = 80,280,313,568.98
  5. Step 5: Solve for x
    x = 80,280,313,568.98/400,016.45
  6. Step 6: Final answer
    x = 200,692.53

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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.