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Finding the Fourth Proportional to 477,836.44, 659,377.74 and 273,884.92

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Solution

The fourth proportional to 477,836.44, 659,377.74 and 273,884.92 is: 377,940.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    477,836.44 : 659,377.74 = 273,884.92 : x
  2. Step 2: Convert to fraction form
    477,836.44/659,377.74 = 273,884.92/x
  3. Step 3: Cross multiply
    477,836.44x = 659,377.74 × 273,884.92
  4. Step 4: Simplify right side
    477,836.44x = 180,593,619,569.68
  5. Step 5: Solve for x
    x = 180,593,619,569.68/477,836.44
  6. Step 6: Final answer
    x = 377,940.24

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.