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Finding the Fourth Proportional to 273,797.48, 409,697.09 and 161,531.48

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Solution

The fourth proportional to 273,797.48, 409,697.09 and 161,531.48 is: 241,707.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,797.48 : 409,697.09 = 161,531.48 : x
  2. Step 2: Convert to fraction form
    273,797.48/409,697.09 = 161,531.48/x
  3. Step 3: Cross multiply
    273,797.48x = 409,697.09 × 161,531.48
  4. Step 4: Simplify right side
    273,797.48x = 66,178,978,121.72
  5. Step 5: Solve for x
    x = 66,178,978,121.72/273,797.48
  6. Step 6: Final answer
    x = 241,707.77

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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.