Finding the Fourth Proportional to 206,184.05, 308,751.05 and 135,850.13
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Solution
The fourth proportional to 206,184.05, 308,751.05 and 135,850.13 is: 203,429.27
Step by Step Solution
- Step 1: Write the proportion equation
206,184.05 : 308,751.05 = 135,850.13 : x - Step 2: Convert to fraction form
206,184.05/308,751.05 = 135,850.13/x - Step 3: Cross multiply
206,184.05x = 308,751.05 × 135,850.13 - Step 4: Simplify right side
206,184.05x = 41,943,870,280.14 - Step 5: Solve for x
x = 41,943,870,280.14/206,184.05 - Step 6: Final answer
x = 203,429.27
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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.