Finding the Fourth Proportional to 295,839.36, 408,594.96 and 198,874.80
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Solution
The fourth proportional to 295,839.36, 408,594.96 and 198,874.80 is: 274,673.53
Step by Step Solution
- Step 1: Write the proportion equation
295,839.36 : 408,594.96 = 198,874.80 : x - Step 2: Convert to fraction form
295,839.36/408,594.96 = 198,874.80/x - Step 3: Cross multiply
295,839.36x = 408,594.96 × 198,874.80 - Step 4: Simplify right side
295,839.36x = 81,259,240,951.01 - Step 5: Solve for x
x = 81,259,240,951.01/295,839.36 - Step 6: Final answer
x = 274,673.53
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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.