Finding the Fourth Proportional to 306,049.70, 459,074.55 and 227,317.70
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Solution
The fourth proportional to 306,049.70, 459,074.55 and 227,317.70 is: 340,976.55
Step by Step Solution
- Step 1: Write the proportion equation
306,049.70 : 459,074.55 = 227,317.70 : x - Step 2: Convert to fraction form
306,049.70/459,074.55 = 227,317.70/x - Step 3: Cross multiply
306,049.70x = 459,074.55 × 227,317.70 - Step 4: Simplify right side
306,049.70x = 104,355,770,834.54 - Step 5: Solve for x
x = 104,355,770,834.54/306,049.70 - Step 6: Final answer
x = 340,976.55
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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.