Finding the Fourth Proportional to 902,192.78, 1,353,311.13 and 303,162.62
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Solution
The fourth proportional to 902,192.78, 1,353,311.13 and 303,162.62 is: 454,751.31
Step by Step Solution
- Step 1: Write the proportion equation
902,192.78 : 1,353,311.13 = 303,162.62 : x - Step 2: Convert to fraction form
902,192.78/1,353,311.13 = 303,162.62/x - Step 3: Cross multiply
902,192.78x = 1,353,311.13 × 303,162.62 - Step 4: Simplify right side
902,192.78x = 410,273,347,845.96 - Step 5: Solve for x
x = 410,273,347,845.96/902,192.78 - Step 6: Final answer
x = 454,751.31
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1.5x scale
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.