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Finding the Fourth Proportional to 246,989.53, 340,841.12 and 139,557.27

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Solution

The fourth proportional to 246,989.53, 340,841.12 and 139,557.27 is: 192,586.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    246,989.53 : 340,841.12 = 139,557.27 : x
  2. Step 2: Convert to fraction form
    246,989.53/340,841.12 = 139,557.27/x
  3. Step 3: Cross multiply
    246,989.53x = 340,841.12 × 139,557.27
  4. Step 4: Simplify right side
    246,989.53x = 47,566,856,210.94
  5. Step 5: Solve for x
    x = 47,566,856,210.94/246,989.53
  6. Step 6: Final answer
    x = 192,586.53

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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.