Finding the Fourth Proportional to 202,639.67, 303,959.74 and 52,879.84
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Solution
The fourth proportional to 202,639.67, 303,959.74 and 52,879.84 is: 79,319.82
Step by Step Solution
- Step 1: Write the proportion equation
202,639.67 : 303,959.74 = 52,879.84 : x - Step 2: Convert to fraction form
202,639.67/303,959.74 = 52,879.84/x - Step 3: Cross multiply
202,639.67x = 303,959.74 × 52,879.84 - Step 4: Simplify right side
202,639.67x = 16,073,341,624.69 - Step 5: Solve for x
x = 16,073,341,624.69/202,639.67 - Step 6: Final answer
x = 79,319.82
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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.