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Finding the Fourth Proportional to 273,019.80, 409,529.70 and 269,520.60

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Solution

The fourth proportional to 273,019.80, 409,529.70 and 269,520.60 is: 404,280.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,019.80 : 409,529.70 = 269,520.60 : x
  2. Step 2: Convert to fraction form
    273,019.80/409,529.70 = 269,520.60/x
  3. Step 3: Cross multiply
    273,019.80x = 409,529.70 × 269,520.60
  4. Step 4: Simplify right side
    273,019.80x = 110,376,690,461.82
  5. Step 5: Solve for x
    x = 110,376,690,461.82/273,019.80
  6. Step 6: Final answer
    x = 404,280.90

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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.