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Finding the Fourth Proportional to 300,611.04, 450,923.85 and 100,937.94

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Solution

The fourth proportional to 300,611.04, 450,923.85 and 100,937.94 is: 151,409.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,611.04 : 450,923.85 = 100,937.94 : x
  2. Step 2: Convert to fraction form
    300,611.04/450,923.85 = 100,937.94/x
  3. Step 3: Cross multiply
    300,611.04x = 450,923.85 × 100,937.94
  4. Step 4: Simplify right side
    300,611.04x = 45,515,324,515.87
  5. Step 5: Solve for x
    x = 45,515,324,515.87/300,611.04
  6. Step 6: Final answer
    x = 151,409.36

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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.