Home / 671,435.37-1,007,180.84-198,120.73

Finding the Fourth Proportional to 671,435.37, 1,007,180.84 and 198,120.73

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Solution

The fourth proportional to 671,435.37, 1,007,180.84 and 198,120.73 is: 297,189.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    671,435.37 : 1,007,180.84 = 198,120.73 : x
  2. Step 2: Convert to fraction form
    671,435.37/1,007,180.84 = 198,120.73/x
  3. Step 3: Cross multiply
    671,435.37x = 1,007,180.84 × 198,120.73
  4. Step 4: Simplify right side
    671,435.37x = 199,543,405,017.09
  5. Step 5: Solve for x
    x = 199,543,405,017.09/671,435.37
  6. Step 6: Final answer
    x = 297,189.30

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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.