Home / 751,155.92-1,126,735.80-190,190.48

Finding the Fourth Proportional to 751,155.92, 1,126,735.80 and 190,190.48

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Solution

The fourth proportional to 751,155.92, 1,126,735.80 and 190,190.48 is: 285,286.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    751,155.92 : 1,126,735.80 = 190,190.48 : x
  2. Step 2: Convert to fraction form
    751,155.92/1,126,735.80 = 190,190.48/x
  3. Step 3: Cross multiply
    751,155.92x = 1,126,735.80 × 190,190.48
  4. Step 4: Simplify right side
    751,155.92x = 214,294,422,635.18
  5. Step 5: Solve for x
    x = 214,294,422,635.18/751,155.92
  6. Step 6: Final answer
    x = 285,286.21

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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.