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Finding the Fourth Proportional to 273,439.60, 409,503.30 and 133,034.20

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Solution

The fourth proportional to 273,439.60, 409,503.30 and 133,034.20 is: 199,232.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,439.60 : 409,503.30 = 133,034.20 : x
  2. Step 2: Convert to fraction form
    273,439.60/409,503.30 = 133,034.20/x
  3. Step 3: Cross multiply
    273,439.60x = 409,503.30 × 133,034.20
  4. Step 4: Simplify right side
    273,439.60x = 54,477,943,912.86
  5. Step 5: Solve for x
    x = 54,477,943,912.86/273,439.60
  6. Step 6: Final answer
    x = 199,232.09

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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.