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Finding the Fourth Proportional to 246,069, 339,478.02 and 155,391.12

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Solution

The fourth proportional to 246,069, 339,478.02 and 155,391.12 is: 214,378.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    246,069 : 339,478.02 = 155,391.12 : x
  2. Step 2: Convert to fraction form
    246,069/339,478.02 = 155,391.12/x
  3. Step 3: Cross multiply
    246,069x = 339,478.02 × 155,391.12
  4. Step 4: Simplify right side
    246,069x = 52,751,869,743.18
  5. Step 5: Solve for x
    x = 52,751,869,743.18/246,069
  6. Step 6: Final answer
    x = 214,378.36

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1.5x scale

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.