Finding the Fourth Proportional to 206,134.56, 284,521.68 and 121,278.96
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Solution
The fourth proportional to 206,134.56, 284,521.68 and 121,278.96 is: 167,397.90
Step by Step Solution
- Step 1: Write the proportion equation
206,134.56 : 284,521.68 = 121,278.96 : x - Step 2: Convert to fraction form
206,134.56/284,521.68 = 121,278.96/x - Step 3: Cross multiply
206,134.56x = 284,521.68 × 121,278.96 - Step 4: Simplify right side
206,134.56x = 34,506,493,447.85 - Step 5: Solve for x
x = 34,506,493,447.85/206,134.56 - Step 6: Final answer
x = 167,397.90
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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.