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Finding the Fourth Proportional to 201,485.80, 301,791.30 and 166,493.80

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Solution

The fourth proportional to 201,485.80, 301,791.30 and 166,493.80 is: 249,379.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,485.80 : 301,791.30 = 166,493.80 : x
  2. Step 2: Convert to fraction form
    201,485.80/301,791.30 = 166,493.80/x
  3. Step 3: Cross multiply
    201,485.80x = 301,791.30 × 166,493.80
  4. Step 4: Simplify right side
    201,485.80x = 50,246,380,343.94
  5. Step 5: Solve for x
    x = 50,246,380,343.94/201,485.80
  6. Step 6: Final answer
    x = 249,379.26

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1.5x scale

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.