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Finding the Fourth Proportional to 246,422.70, 345,924.90 and 246,422.70

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Solution

The fourth proportional to 246,422.70, 345,924.90 and 246,422.70 is: 345,924.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    246,422.70 : 345,924.90 = 246,422.70 : x
  2. Step 2: Convert to fraction form
    246,422.70/345,924.90 = 246,422.70/x
  3. Step 3: Cross multiply
    246,422.70x = 345,924.90 × 246,422.70
  4. Step 4: Simplify right side
    246,422.70x = 85,243,747,855.23
  5. Step 5: Solve for x
    x = 85,243,747,855.23/246,422.70
  6. Step 6: Final answer
    x = 345,924.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.