Finding the Fourth Proportional to 197,841.60, 273,115.98 and 112,942.26
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Solution
The fourth proportional to 197,841.60, 273,115.98 and 112,942.26 is: 155,914.31
Step by Step Solution
- Step 1: Write the proportion equation
197,841.60 : 273,115.98 = 112,942.26 : x - Step 2: Convert to fraction form
197,841.60/273,115.98 = 112,942.26/x - Step 3: Cross multiply
197,841.60x = 273,115.98 × 112,942.26 - Step 4: Simplify right side
197,841.60x = 30,846,336,023.31 - Step 5: Solve for x
x = 30,846,336,023.31/197,841.60 - Step 6: Final answer
x = 155,914.31
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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.