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Finding the Fourth Proportional to 273,039.92, 409,744.40 and 95,548.47

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Solution

The fourth proportional to 273,039.92, 409,744.40 and 95,548.47 is: 143,387.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,039.92 : 409,744.40 = 95,548.47 : x
  2. Step 2: Convert to fraction form
    273,039.92/409,744.40 = 95,548.47/x
  3. Step 3: Cross multiply
    273,039.92x = 409,744.40 × 95,548.47
  4. Step 4: Simplify right side
    273,039.92x = 39,150,450,511.07
  5. Step 5: Solve for x
    x = 39,150,450,511.07/273,039.92
  6. Step 6: Final answer
    x = 143,387.28

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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.