Finding the Fourth Proportional to 196,843.08, 295,121.58 and 78,478.92
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Solution
The fourth proportional to 196,843.08, 295,121.58 and 78,478.92 is: 117,661.35
Step by Step Solution
- Step 1: Write the proportion equation
196,843.08 : 295,121.58 = 78,478.92 : x - Step 2: Convert to fraction form
196,843.08/295,121.58 = 78,478.92/x - Step 3: Cross multiply
196,843.08x = 295,121.58 × 78,478.92 - Step 4: Simplify right side
196,843.08x = 23,160,822,867.09 - Step 5: Solve for x
x = 23,160,822,867.09/196,843.08 - Step 6: Final answer
x = 117,661.35
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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.