Finding the Fourth Proportional to 221,673.09, 332,556.40 and 71,901.75
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Solution
The fourth proportional to 221,673.09, 332,556.40 and 71,901.75 is: 107,867.79
Step by Step Solution
- Step 1: Write the proportion equation
221,673.09 : 332,556.40 = 71,901.75 : x - Step 2: Convert to fraction form
221,673.09/332,556.40 = 71,901.75/x - Step 3: Cross multiply
221,673.09x = 332,556.40 × 71,901.75 - Step 4: Simplify right side
221,673.09x = 23,911,387,133.70 - Step 5: Solve for x
x = 23,911,387,133.70/221,673.09 - Step 6: Final answer
x = 107,867.79
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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.