Finding the Fourth Proportional to 207,545.70, 311,318.55 and 203,609.10
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Solution
The fourth proportional to 207,545.70, 311,318.55 and 203,609.10 is: 305,413.65
Step by Step Solution
- Step 1: Write the proportion equation
207,545.70 : 311,318.55 = 203,609.10 : x - Step 2: Convert to fraction form
207,545.70/311,318.55 = 203,609.10/x - Step 3: Cross multiply
207,545.70x = 311,318.55 × 203,609.10 - Step 4: Simplify right side
207,545.70x = 63,387,289,778.81 - Step 5: Solve for x
x = 63,387,289,778.81/207,545.70 - Step 6: Final answer
x = 305,413.65
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1.5x scale
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.