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Finding the Fourth Proportional to 456,245.66, 629,623.10 and 252,310.31

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Solution

The fourth proportional to 456,245.66, 629,623.10 and 252,310.31 is: 348,190.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    456,245.66 : 629,623.10 = 252,310.31 : x
  2. Step 2: Convert to fraction form
    456,245.66/629,623.10 = 252,310.31/x
  3. Step 3: Cross multiply
    456,245.66x = 629,623.10 × 252,310.31
  4. Step 4: Simplify right side
    456,245.66x = 158,860,395,134.49
  5. Step 5: Solve for x
    x = 158,860,395,134.49/456,245.66
  6. Step 6: Final answer
    x = 348,190.48

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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.