Home / 246,640.68-369,971.30-78,157.27

Finding the Fourth Proportional to 246,640.68, 369,971.30 and 78,157.27

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Solution

The fourth proportional to 246,640.68, 369,971.30 and 78,157.27 is: 117,239.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    246,640.68 : 369,971.30 = 78,157.27 : x
  2. Step 2: Convert to fraction form
    246,640.68/369,971.30 = 78,157.27/x
  3. Step 3: Cross multiply
    246,640.68x = 369,971.30 × 78,157.27
  4. Step 4: Simplify right side
    246,640.68x = 28,915,946,786.35
  5. Step 5: Solve for x
    x = 28,915,946,786.35/246,640.68
  6. Step 6: Final answer
    x = 117,239.16

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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.