Finding the Fourth Proportional to 326,883.63, 451,135.94 and 197,893.19
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Solution
The fourth proportional to 326,883.63, 451,135.94 and 197,893.19 is: 273,114.71
Step by Step Solution
- Step 1: Write the proportion equation
326,883.63 : 451,135.94 = 197,893.19 : x - Step 2: Convert to fraction form
326,883.63/451,135.94 = 197,893.19/x - Step 3: Cross multiply
326,883.63x = 451,135.94 × 197,893.19 - Step 4: Simplify right side
326,883.63x = 89,276,727,045.10 - Step 5: Solve for x
x = 89,276,727,045.10/326,883.63 - Step 6: Final answer
x = 273,114.71
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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.