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Finding the Fourth Proportional to 274,928.80, 412,522.80 and 204,944.80

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Solution

The fourth proportional to 274,928.80, 412,522.80 and 204,944.80 is: 307,513.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    274,928.80 : 412,522.80 = 204,944.80 : x
  2. Step 2: Convert to fraction form
    274,928.80/412,522.80 = 204,944.80/x
  3. Step 3: Cross multiply
    274,928.80x = 412,522.80 × 204,944.80
  4. Step 4: Simplify right side
    274,928.80x = 84,544,402,741.44
  5. Step 5: Solve for x
    x = 84,544,402,741.44/274,928.80
  6. Step 6: Final answer
    x = 307,513.81

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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.