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Finding the Fourth Proportional to 246,737.76, 340,498.26 and 139,308

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Solution

The fourth proportional to 246,737.76, 340,498.26 and 139,308 is: 192,245.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    246,737.76 : 340,498.26 = 139,308 : x
  2. Step 2: Convert to fraction form
    246,737.76/340,498.26 = 139,308/x
  3. Step 3: Cross multiply
    246,737.76x = 340,498.26 × 139,308
  4. Step 4: Simplify right side
    246,737.76x = 47,434,131,604.08
  5. Step 5: Solve for x
    x = 47,434,131,604.08/246,737.76
  6. Step 6: Final answer
    x = 192,245.13

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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.