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Finding the Fourth Proportional to 273,714.88, 412,677.88 and 268,816

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Solution

The fourth proportional to 273,714.88, 412,677.88 and 268,816 is: 405,291.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,714.88 : 412,677.88 = 268,816 : x
  2. Step 2: Convert to fraction form
    273,714.88/412,677.88 = 268,816/x
  3. Step 3: Cross multiply
    273,714.88x = 412,677.88 × 268,816
  4. Step 4: Simplify right side
    273,714.88x = 110,934,416,990.08
  5. Step 5: Solve for x
    x = 110,934,416,990.08/273,714.88
  6. Step 6: Final answer
    x = 405,291.88

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.