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Finding the Fourth Proportional to 469,093.63, 647,350.33 and 254,233.64

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Solution

The fourth proportional to 469,093.63, 647,350.33 and 254,233.64 is: 350,843.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    469,093.63 : 647,350.33 = 254,233.64 : x
  2. Step 2: Convert to fraction form
    469,093.63/647,350.33 = 254,233.64/x
  3. Step 3: Cross multiply
    469,093.63x = 647,350.33 × 254,233.64
  4. Step 4: Simplify right side
    469,093.63x = 164,578,230,751.10
  5. Step 5: Solve for x
    x = 164,578,230,751.10/469,093.63
  6. Step 6: Final answer
    x = 350,843.03

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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.