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Finding the Fourth Proportional to 246,651.50, 340,381.50 and 133,476.68

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Solution

The fourth proportional to 246,651.50, 340,381.50 and 133,476.68 is: 184,199.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    246,651.50 : 340,381.50 = 133,476.68 : x
  2. Step 2: Convert to fraction form
    246,651.50/340,381.50 = 133,476.68/x
  3. Step 3: Cross multiply
    246,651.50x = 340,381.50 × 133,476.68
  4. Step 4: Simplify right side
    246,651.50x = 45,432,992,553.42
  5. Step 5: Solve for x
    x = 45,432,992,553.42/246,651.50
  6. Step 6: Final answer
    x = 184,199.13

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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.