Finding the Fourth Proportional to 203,224.87, 280,465.10 and 122,671.99
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Solution
The fourth proportional to 203,224.87, 280,465.10 and 122,671.99 is: 169,296.27
Step by Step Solution
- Step 1: Write the proportion equation
203,224.87 : 280,465.10 = 122,671.99 : x - Step 2: Convert to fraction form
203,224.87/280,465.10 = 122,671.99/x - Step 3: Cross multiply
203,224.87x = 280,465.10 × 122,671.99 - Step 4: Simplify right side
203,224.87x = 34,405,211,942.55 - Step 5: Solve for x
x = 34,405,211,942.55/203,224.87 - Step 6: Final answer
x = 169,296.27
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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.