Finding the Fourth Proportional to 160,620.50, 221,659.49 and 93,556.82
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Solution
The fourth proportional to 160,620.50, 221,659.49 and 93,556.82 is: 129,110.28
Step by Step Solution
- Step 1: Write the proportion equation
160,620.50 : 221,659.49 = 93,556.82 : x - Step 2: Convert to fraction form
160,620.50/221,659.49 = 93,556.82/x - Step 3: Cross multiply
160,620.50x = 221,659.49 × 93,556.82 - Step 4: Simplify right side
160,620.50x = 20,737,757,007.22 - Step 5: Solve for x
x = 20,737,757,007.22/160,620.50 - Step 6: Final answer
x = 129,110.28
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.