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Finding the Fourth Proportional to 273,272.20, 409,908.30 and 254,609.80

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Solution

The fourth proportional to 273,272.20, 409,908.30 and 254,609.80 is: 381,914.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,272.20 : 409,908.30 = 254,609.80 : x
  2. Step 2: Convert to fraction form
    273,272.20/409,908.30 = 254,609.80/x
  3. Step 3: Cross multiply
    273,272.20x = 409,908.30 × 254,609.80
  4. Step 4: Simplify right side
    273,272.20x = 104,366,670,281.34
  5. Step 5: Solve for x
    x = 104,366,670,281.34/273,272.20
  6. Step 6: Final answer
    x = 381,914.70

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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.