Finding the Fourth Proportional to 311,975.87, 430,328.50 and 204,552.86
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Solution
The fourth proportional to 311,975.87, 430,328.50 and 204,552.86 is: 282,152.99
Step by Step Solution
- Step 1: Write the proportion equation
311,975.87 : 430,328.50 = 204,552.86 : x - Step 2: Convert to fraction form
311,975.87/430,328.50 = 204,552.86/x - Step 3: Cross multiply
311,975.87x = 430,328.50 × 204,552.86 - Step 4: Simplify right side
311,975.87x = 88,024,922,751.49 - Step 5: Solve for x
x = 88,024,922,751.49/311,975.87 - Step 6: Final answer
x = 282,152.99
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.