Finding the Fourth Proportional to 284,517.12, 426,770.82 and 84,838.08
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Solution
The fourth proportional to 284,517.12, 426,770.82 and 84,838.08 is: 127,255.67
Step by Step Solution
- Step 1: Write the proportion equation
284,517.12 : 426,770.82 = 84,838.08 : x - Step 2: Convert to fraction form
284,517.12/426,770.82 = 84,838.08/x - Step 3: Cross multiply
284,517.12x = 426,770.82 × 84,838.08 - Step 4: Simplify right side
284,517.12x = 36,206,416,968.83 - Step 5: Solve for x
x = 36,206,416,968.83/284,517.12 - Step 6: Final answer
x = 127,255.67
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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.