Finding the Fourth Proportional to 206,656.92, 285,386.49 and 178,094.70
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Solution
The fourth proportional to 206,656.92, 285,386.49 and 178,094.70 is: 245,942.99
Step by Step Solution
- Step 1: Write the proportion equation
206,656.92 : 285,386.49 = 178,094.70 : x - Step 2: Convert to fraction form
206,656.92/285,386.49 = 178,094.70/x - Step 3: Cross multiply
206,656.92x = 285,386.49 × 178,094.70 - Step 4: Simplify right side
206,656.92x = 50,825,821,320.60 - Step 5: Solve for x
x = 50,825,821,320.60/206,656.92 - Step 6: Final answer
x = 245,942.99
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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.