Finding the Fourth Proportional to 213,161.37, 319,841.78 and 93,202.80
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Solution
The fourth proportional to 213,161.37, 319,841.78 and 93,202.80 is: 139,847.80
Step by Step Solution
- Step 1: Write the proportion equation
213,161.37 : 319,841.78 = 93,202.80 : x - Step 2: Convert to fraction form
213,161.37/319,841.78 = 93,202.80/x - Step 3: Cross multiply
213,161.37x = 319,841.78 × 93,202.80 - Step 4: Simplify right side
213,161.37x = 29,810,148,986.97 - Step 5: Solve for x
x = 29,810,148,986.97/213,161.37 - Step 6: Final answer
x = 139,847.80
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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.