Finding the Fourth Proportional to 203,602.44, 280,873.92 and 121,874.94
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Solution
The fourth proportional to 203,602.44, 280,873.92 and 121,874.94 is: 168,129.09
Step by Step Solution
- Step 1: Write the proportion equation
203,602.44 : 280,873.92 = 121,874.94 : x - Step 2: Convert to fraction form
203,602.44/280,873.92 = 121,874.94/x - Step 3: Cross multiply
203,602.44x = 280,873.92 × 121,874.94 - Step 4: Simplify right side
203,602.44x = 34,231,492,147.56 - Step 5: Solve for x
x = 34,231,492,147.56/203,602.44 - Step 6: Final answer
x = 168,129.09
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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.