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Finding the Fourth Proportional to 100,361.61, 150,548.09 and 44,228.07

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Solution

The fourth proportional to 100,361.61, 150,548.09 and 44,228.07 is: 66,344.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,361.61 : 150,548.09 = 44,228.07 : x
  2. Step 2: Convert to fraction form
    100,361.61/150,548.09 = 44,228.07/x
  3. Step 3: Cross multiply
    100,361.61x = 150,548.09 × 44,228.07
  4. Step 4: Simplify right side
    100,361.61x = 6,658,451,241.75
  5. Step 5: Solve for x
    x = 6,658,451,241.75/100,361.61
  6. Step 6: Final answer
    x = 66,344.60

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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.