Home / 671,995.92-1,008,190.74-198,693.60

Finding the Fourth Proportional to 671,995.92, 1,008,190.74 and 198,693.60

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Solution

The fourth proportional to 671,995.92, 1,008,190.74 and 198,693.60 is: 298,098.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    671,995.92 : 1,008,190.74 = 198,693.60 : x
  2. Step 2: Convert to fraction form
    671,995.92/1,008,190.74 = 198,693.60/x
  3. Step 3: Cross multiply
    671,995.92x = 1,008,190.74 × 198,693.60
  4. Step 4: Simplify right side
    671,995.92x = 200,321,047,617.26
  5. Step 5: Solve for x
    x = 200,321,047,617.26/671,995.92
  6. Step 6: Final answer
    x = 298,098.61

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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.