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Finding the Fourth Proportional to 456,168.92, 629,558.87 and 252,235.22

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Solution

The fourth proportional to 456,168.92, 629,558.87 and 252,235.22 is: 348,109.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    456,168.92 : 629,558.87 = 252,235.22 : x
  2. Step 2: Convert to fraction form
    456,168.92/629,558.87 = 252,235.22/x
  3. Step 3: Cross multiply
    456,168.92x = 629,558.87 × 252,235.22
  4. Step 4: Simplify right side
    456,168.92x = 158,796,915,668.43
  5. Step 5: Solve for x
    x = 158,796,915,668.43/456,168.92
  6. Step 6: Final answer
    x = 348,109.90

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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.