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Finding the Fourth Proportional to 455,960, 629,225.04 and 254,756

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Solution

The fourth proportional to 455,960, 629,225.04 and 254,756 is: 351,563.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    455,960 : 629,225.04 = 254,756 : x
  2. Step 2: Convert to fraction form
    455,960/629,225.04 = 254,756/x
  3. Step 3: Cross multiply
    455,960x = 629,225.04 × 254,756
  4. Step 4: Simplify right side
    455,960x = 160,298,854,290.24
  5. Step 5: Solve for x
    x = 160,298,854,290.24/455,960
  6. Step 6: Final answer
    x = 351,563.41

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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.