Finding the Fourth Proportional to 196,163.75, 294,289.37 and 71,504.75
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Solution
The fourth proportional to 196,163.75, 294,289.37 and 71,504.75 is: 107,273.07
Step by Step Solution
- Step 1: Write the proportion equation
196,163.75 : 294,289.37 = 71,504.75 : x - Step 2: Convert to fraction form
196,163.75/294,289.37 = 71,504.75/x - Step 3: Cross multiply
196,163.75x = 294,289.37 × 71,504.75 - Step 4: Simplify right side
196,163.75x = 21,043,087,829.51 - Step 5: Solve for x
x = 21,043,087,829.51/196,163.75 - Step 6: Final answer
x = 107,273.07
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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.