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Finding the Fourth Proportional to 274,602.21, 378,755.37 and 252,014.15

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Solution

The fourth proportional to 274,602.21, 378,755.37 and 252,014.15 is: 347,599.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    274,602.21 : 378,755.37 = 252,014.15 : x
  2. Step 2: Convert to fraction form
    274,602.21/378,755.37 = 252,014.15/x
  3. Step 3: Cross multiply
    274,602.21x = 378,755.37 × 252,014.15
  4. Step 4: Simplify right side
    274,602.21x = 95,451,710,734.71
  5. Step 5: Solve for x
    x = 95,451,710,734.71/274,602.21
  6. Step 6: Final answer
    x = 347,599.94

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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.