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Finding the Fourth Proportional to 533,611.41, 800,357.94 and 134,252.25

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Solution

The fourth proportional to 533,611.41, 800,357.94 and 134,252.25 is: 201,363.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    533,611.41 : 800,357.94 = 134,252.25 : x
  2. Step 2: Convert to fraction form
    533,611.41/800,357.94 = 134,252.25/x
  3. Step 3: Cross multiply
    533,611.41x = 800,357.94 × 134,252.25
  4. Step 4: Simplify right side
    533,611.41x = 107,449,854,250.37
  5. Step 5: Solve for x
    x = 107,449,854,250.37/533,611.41
  6. Step 6: Final answer
    x = 201,363.49

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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.