Finding the Fourth Proportional to 295,865.75, 408,294.78 and 161,729.75
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Solution
The fourth proportional to 295,865.75, 408,294.78 and 161,729.75 is: 223,187.08
Step by Step Solution
- Step 1: Write the proportion equation
295,865.75 : 408,294.78 = 161,729.75 : x - Step 2: Convert to fraction form
295,865.75/408,294.78 = 161,729.75/x - Step 3: Cross multiply
295,865.75x = 408,294.78 × 161,729.75 - Step 4: Simplify right side
295,865.75x = 66,033,412,695.71 - Step 5: Solve for x
x = 66,033,412,695.71/295,865.75 - Step 6: Final answer
x = 223,187.08
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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.