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Finding the Fourth Proportional to 275,941.07, 380,713.07 and 161,136.90

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Solution

The fourth proportional to 275,941.07, 380,713.07 and 161,136.90 is: 222,318.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,941.07 : 380,713.07 = 161,136.90 : x
  2. Step 2: Convert to fraction form
    275,941.07/380,713.07 = 161,136.90/x
  3. Step 3: Cross multiply
    275,941.07x = 380,713.07 × 161,136.90
  4. Step 4: Simplify right side
    275,941.07x = 61,346,923,083.60
  5. Step 5: Solve for x
    x = 61,346,923,083.60/275,941.07
  6. Step 6: Final answer
    x = 222,318.93

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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.