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Finding the Fourth Proportional to 844,158, 1,266,237 and 253,182

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Solution

The fourth proportional to 844,158, 1,266,237 and 253,182 is: 379,773

Step by Step Solution

  1. Step 1: Write the proportion equation
    844,158 : 1,266,237 = 253,182 : x
  2. Step 2: Convert to fraction form
    844,158/1,266,237 = 253,182/x
  3. Step 3: Cross multiply
    844,158x = 1,266,237 × 253,182
  4. Step 4: Simplify right side
    844,158x = 320,588,416,134
  5. Step 5: Solve for x
    x = 320,588,416,134/844,158
  6. Step 6: Final answer
    x = 379,773

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.