Finding the Fourth Proportional to 203,984.28, 281,407.74 and 135,934.97
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Solution
The fourth proportional to 203,984.28, 281,407.74 and 135,934.97 is: 187,529.90
Step by Step Solution
- Step 1: Write the proportion equation
203,984.28 : 281,407.74 = 135,934.97 : x - Step 2: Convert to fraction form
203,984.28/281,407.74 = 135,934.97/x - Step 3: Cross multiply
203,984.28x = 281,407.74 × 135,934.97 - Step 4: Simplify right side
203,984.28x = 38,253,152,330.99 - Step 5: Solve for x
x = 38,253,152,330.99/203,984.28 - Step 6: Final answer
x = 187,529.90
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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.