Finding the Fourth Proportional to 206,579.70, 309,286.35 and 206,579.70
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Solution
The fourth proportional to 206,579.70, 309,286.35 and 206,579.70 is: 309,286.35
Step by Step Solution
- Step 1: Write the proportion equation
206,579.70 : 309,286.35 = 206,579.70 : x - Step 2: Convert to fraction form
206,579.70/309,286.35 = 206,579.70/x - Step 3: Cross multiply
206,579.70x = 309,286.35 × 206,579.70 - Step 4: Simplify right side
206,579.70x = 63,892,281,397.10 - Step 5: Solve for x
x = 63,892,281,397.10/206,579.70 - Step 6: Final answer
x = 309,286.35
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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.