Finding the Fourth Proportional to 203,483.99, 305,269.73 and 68,561.47
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Solution
The fourth proportional to 203,483.99, 305,269.73 and 68,561.47 is: 102,856.94
Step by Step Solution
- Step 1: Write the proportion equation
203,483.99 : 305,269.73 = 68,561.47 : x - Step 2: Convert to fraction form
203,483.99/305,269.73 = 68,561.47/x - Step 3: Cross multiply
203,483.99x = 305,269.73 × 68,561.47 - Step 4: Simplify right side
203,483.99x = 20,929,741,435.30 - Step 5: Solve for x
x = 20,929,741,435.30/203,483.99 - Step 6: Final answer
x = 102,856.94
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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.