Home / 751,172.67-1,126,800.05-190,212.03

Finding the Fourth Proportional to 751,172.67, 1,126,800.05 and 190,212.03

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Solution

The fourth proportional to 751,172.67, 1,126,800.05 and 190,212.03 is: 285,328.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    751,172.67 : 1,126,800.05 = 190,212.03 : x
  2. Step 2: Convert to fraction form
    751,172.67/1,126,800.05 = 190,212.03/x
  3. Step 3: Cross multiply
    751,172.67x = 1,126,800.05 × 190,212.03
  4. Step 4: Simplify right side
    751,172.67x = 214,330,923,963.54
  5. Step 5: Solve for x
    x = 214,330,923,963.54/751,172.67
  6. Step 6: Final answer
    x = 285,328.44

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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.