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Finding the Fourth Proportional to 275,440.60, 412,577.70 and 245,891.80

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Solution

The fourth proportional to 275,440.60, 412,577.70 and 245,891.80 is: 368,317.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,440.60 : 412,577.70 = 245,891.80 : x
  2. Step 2: Convert to fraction form
    275,440.60/412,577.70 = 245,891.80/x
  3. Step 3: Cross multiply
    275,440.60x = 412,577.70 × 245,891.80
  4. Step 4: Simplify right side
    275,440.60x = 101,449,473,292.86
  5. Step 5: Solve for x
    x = 101,449,473,292.86/275,440.60
  6. Step 6: Final answer
    x = 368,317.06

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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.