Finding the Fourth Proportional to 206,132.56, 284,518.92 and 121,276.96
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Solution
The fourth proportional to 206,132.56, 284,518.92 and 121,276.96 is: 167,395.14
Step by Step Solution
- Step 1: Write the proportion equation
206,132.56 : 284,518.92 = 121,276.96 : x - Step 2: Convert to fraction form
206,132.56/284,518.92 = 121,276.96/x - Step 3: Cross multiply
206,132.56x = 284,518.92 × 121,276.96 - Step 4: Simplify right side
206,132.56x = 34,505,589,680.08 - Step 5: Solve for x
x = 34,505,589,680.08/206,132.56 - Step 6: Final answer
x = 167,395.14
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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.