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Finding the Fourth Proportional to 150,543.77, 225,786.49 and 143,050.73

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Solution

The fourth proportional to 150,543.77, 225,786.49 and 143,050.73 is: 214,548.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,543.77 : 225,786.49 = 143,050.73 : x
  2. Step 2: Convert to fraction form
    150,543.77/225,786.49 = 143,050.73/x
  3. Step 3: Cross multiply
    150,543.77x = 225,786.49 × 143,050.73
  4. Step 4: Simplify right side
    150,543.77x = 32,298,920,732.08
  5. Step 5: Solve for x
    x = 32,298,920,732.08/150,543.77
  6. Step 6: Final answer
    x = 214,548.38

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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.