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Finding the Fourth Proportional to 627,896.35, 941,274.87 and 228,254.86

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Solution

The fourth proportional to 627,896.35, 941,274.87 and 228,254.86 is: 342,175.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    627,896.35 : 941,274.87 = 228,254.86 : x
  2. Step 2: Convert to fraction form
    627,896.35/941,274.87 = 228,254.86/x
  3. Step 3: Cross multiply
    627,896.35x = 941,274.87 × 228,254.86
  4. Step 4: Simplify right side
    627,896.35x = 214,850,563,673.37
  5. Step 5: Solve for x
    x = 214,850,563,673.37/627,896.35
  6. Step 6: Final answer
    x = 342,175.21

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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.