Finding the Fourth Proportional to 203,104.95, 280,197.99 and 122,486.64
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Solution
The fourth proportional to 203,104.95, 280,197.99 and 122,486.64 is: 168,979.19
Step by Step Solution
- Step 1: Write the proportion equation
203,104.95 : 280,197.99 = 122,486.64 : x - Step 2: Convert to fraction form
203,104.95/280,197.99 = 122,486.64/x - Step 3: Cross multiply
203,104.95x = 280,197.99 × 122,486.64 - Step 4: Simplify right side
203,104.95x = 34,320,510,329.85 - Step 5: Solve for x
x = 34,320,510,329.85/203,104.95 - Step 6: Final answer
x = 168,979.19
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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.