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Finding the Fourth Proportional to 455,850.89, 629,112.11 and 251,941.62

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Solution

The fourth proportional to 455,850.89, 629,112.11 and 251,941.62 is: 347,700.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    455,850.89 : 629,112.11 = 251,941.62 : x
  2. Step 2: Convert to fraction form
    455,850.89/629,112.11 = 251,941.62/x
  3. Step 3: Cross multiply
    455,850.89x = 629,112.11 × 251,941.62
  4. Step 4: Simplify right side
    455,850.89x = 158,499,525,254.48
  5. Step 5: Solve for x
    x = 158,499,525,254.48/455,850.89
  6. Step 6: Final answer
    x = 347,700.38

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1.5x scale

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.