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Finding the Fourth Proportional to 252,674.66, 348,651.38 and 145,224.62

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Solution

The fourth proportional to 252,674.66, 348,651.38 and 145,224.62 is: 200,387.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,674.66 : 348,651.38 = 145,224.62 : x
  2. Step 2: Convert to fraction form
    252,674.66/348,651.38 = 145,224.62/x
  3. Step 3: Cross multiply
    252,674.66x = 348,651.38 × 145,224.62
  4. Step 4: Simplify right side
    252,674.66x = 50,632,764,172.98
  5. Step 5: Solve for x
    x = 50,632,764,172.98/252,674.66
  6. Step 6: Final answer
    x = 200,387.19

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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.