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Finding the Fourth Proportional to 246,012, 369,018 and 79,800

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Solution

The fourth proportional to 246,012, 369,018 and 79,800 is: 119,700

Step by Step Solution

  1. Step 1: Write the proportion equation
    246,012 : 369,018 = 79,800 : x
  2. Step 2: Convert to fraction form
    246,012/369,018 = 79,800/x
  3. Step 3: Cross multiply
    246,012x = 369,018 × 79,800
  4. Step 4: Simplify right side
    246,012x = 29,447,636,400
  5. Step 5: Solve for x
    x = 29,447,636,400/246,012
  6. Step 6: Final answer
    x = 119,700

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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.