Home / 275,077.41-412,532.03-190,233.75

Finding the Fourth Proportional to 275,077.41, 412,532.03 and 190,233.75

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Solution

The fourth proportional to 275,077.41, 412,532.03 and 190,233.75 is: 285,292.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,077.41 : 412,532.03 = 190,233.75 : x
  2. Step 2: Convert to fraction form
    275,077.41/412,532.03 = 190,233.75/x
  3. Step 3: Cross multiply
    275,077.41x = 412,532.03 × 190,233.75
  4. Step 4: Simplify right side
    275,077.41x = 78,477,514,110.84
  5. Step 5: Solve for x
    x = 78,477,514,110.84/275,077.41
  6. Step 6: Final answer
    x = 285,292.47

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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.