Finding the Fourth Proportional to 212,560.92, 293,343.12 and 121,942.44
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Solution
The fourth proportional to 212,560.92, 293,343.12 and 121,942.44 is: 168,285.76
Step by Step Solution
- Step 1: Write the proportion equation
212,560.92 : 293,343.12 = 121,942.44 : x - Step 2: Convert to fraction form
212,560.92/293,343.12 = 121,942.44/x - Step 3: Cross multiply
212,560.92x = 293,343.12 × 121,942.44 - Step 4: Simplify right side
212,560.92x = 35,770,975,810.01 - Step 5: Solve for x
x = 35,770,975,810.01/212,560.92 - Step 6: Final answer
x = 168,285.76
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1.5x scale
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.