Finding the Fourth Proportional to 207,950.70, 311,926.05 and 206,201.10
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Solution
The fourth proportional to 207,950.70, 311,926.05 and 206,201.10 is: 309,301.65
Step by Step Solution
- Step 1: Write the proportion equation
207,950.70 : 311,926.05 = 206,201.10 : x - Step 2: Convert to fraction form
207,950.70/311,926.05 = 206,201.10/x - Step 3: Cross multiply
207,950.70x = 311,926.05 × 206,201.10 - Step 4: Simplify right side
207,950.70x = 64,319,494,628.66 - Step 5: Solve for x
x = 64,319,494,628.66/207,950.70 - Step 6: Final answer
x = 309,301.65
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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.