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Finding the Fourth Proportional to 273,020.40, 409,530.60 and 244,480.05

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Solution

The fourth proportional to 273,020.40, 409,530.60 and 244,480.05 is: 366,720.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,020.40 : 409,530.60 = 244,480.05 : x
  2. Step 2: Convert to fraction form
    273,020.40/409,530.60 = 244,480.05/x
  3. Step 3: Cross multiply
    273,020.40x = 409,530.60 × 244,480.05
  4. Step 4: Simplify right side
    273,020.40x = 100,122,061,564.53
  5. Step 5: Solve for x
    x = 100,122,061,564.53/273,020.40
  6. Step 6: Final answer
    x = 366,720.08

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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.