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Finding the Fourth Proportional to 627,689.80, 941,238.06 and 228,051.88

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Solution

The fourth proportional to 627,689.80, 941,238.06 and 228,051.88 is: 341,970.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    627,689.80 : 941,238.06 = 228,051.88 : x
  2. Step 2: Convert to fraction form
    627,689.80/941,238.06 = 228,051.88/x
  3. Step 3: Cross multiply
    627,689.80x = 941,238.06 × 228,051.88
  4. Step 4: Simplify right side
    627,689.80x = 214,651,109,110.55
  5. Step 5: Solve for x
    x = 214,651,109,110.55/627,689.80
  6. Step 6: Final answer
    x = 341,970.04

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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.