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Finding the Fourth Proportional to 246,610.80, 369,916.20 and 171,961.20

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Solution

The fourth proportional to 246,610.80, 369,916.20 and 171,961.20 is: 257,941.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    246,610.80 : 369,916.20 = 171,961.20 : x
  2. Step 2: Convert to fraction form
    246,610.80/369,916.20 = 171,961.20/x
  3. Step 3: Cross multiply
    246,610.80x = 369,916.20 × 171,961.20
  4. Step 4: Simplify right side
    246,610.80x = 63,611,233,651.44
  5. Step 5: Solve for x
    x = 63,611,233,651.44/246,610.80
  6. Step 6: Final answer
    x = 257,941.80

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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.