Finding the Fourth Proportional to 187,110.23, 258,485.33 and 161,915.99
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Solution
The fourth proportional to 187,110.23, 258,485.33 and 161,915.99 is: 223,680.49
Step by Step Solution
- Step 1: Write the proportion equation
187,110.23 : 258,485.33 = 161,915.99 : x - Step 2: Convert to fraction form
187,110.23/258,485.33 = 161,915.99/x - Step 3: Cross multiply
187,110.23x = 258,485.33 × 161,915.99 - Step 4: Simplify right side
187,110.23x = 41,852,907,297.85 - Step 5: Solve for x
x = 41,852,907,297.85/187,110.23 - Step 6: Final answer
x = 223,680.49
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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.