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Finding the Fourth Proportional to 431,407.80, 595,344.74 and 250,227

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Solution

The fourth proportional to 431,407.80, 595,344.74 and 250,227 is: 345,314.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    431,407.80 : 595,344.74 = 250,227 : x
  2. Step 2: Convert to fraction form
    431,407.80/595,344.74 = 250,227/x
  3. Step 3: Cross multiply
    431,407.80x = 595,344.74 × 250,227
  4. Step 4: Simplify right side
    431,407.80x = 148,971,328,255.98
  5. Step 5: Solve for x
    x = 148,971,328,255.98/431,407.80
  6. Step 6: Final answer
    x = 345,314.41

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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.