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Finding the Fourth Proportional to 246,699, 370,107 and 80,487

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Solution

The fourth proportional to 246,699, 370,107 and 80,487 is: 120,749.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    246,699 : 370,107 = 80,487 : x
  2. Step 2: Convert to fraction form
    246,699/370,107 = 80,487/x
  3. Step 3: Cross multiply
    246,699x = 370,107 × 80,487
  4. Step 4: Simplify right side
    246,699x = 29,788,802,109
  5. Step 5: Solve for x
    x = 29,788,802,109/246,699
  6. Step 6: Final answer
    x = 120,749.59

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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.