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Finding the Fourth Proportional to 451,328, 622,832.64 and 250,136.96

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Solution

The fourth proportional to 451,328, 622,832.64 and 250,136.96 is: 345,189.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,328 : 622,832.64 = 250,136.96 : x
  2. Step 2: Convert to fraction form
    451,328/622,832.64 = 250,136.96/x
  3. Step 3: Cross multiply
    451,328x = 622,832.64 × 250,136.96
  4. Step 4: Simplify right side
    451,328x = 155,793,463,158.37
  5. Step 5: Solve for x
    x = 155,793,463,158.37/451,328
  6. Step 6: Final answer
    x = 345,189.00

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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.