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Finding the Fourth Proportional to 201,157.75, 301,304.69 and 189,380.75

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Solution

The fourth proportional to 201,157.75, 301,304.69 and 189,380.75 is: 283,664.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,157.75 : 301,304.69 = 189,380.75 : x
  2. Step 2: Convert to fraction form
    201,157.75/301,304.69 = 189,380.75/x
  3. Step 3: Cross multiply
    201,157.75x = 301,304.69 × 189,380.75
  4. Step 4: Simplify right side
    201,157.75x = 57,061,307,589.67
  5. Step 5: Solve for x
    x = 57,061,307,589.67/201,157.75
  6. Step 6: Final answer
    x = 283,664.48

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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.