Finding the Fourth Proportional to 203,713.14, 281,119.91 and 113,063.79
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Solution
The fourth proportional to 203,713.14, 281,119.91 and 113,063.79 is: 156,025.68
Step by Step Solution
- Step 1: Write the proportion equation
203,713.14 : 281,119.91 = 113,063.79 : x - Step 2: Convert to fraction form
203,713.14/281,119.91 = 113,063.79/x - Step 3: Cross multiply
203,713.14x = 281,119.91 × 113,063.79 - Step 4: Simplify right side
203,713.14x = 31,784,481,903.74 - Step 5: Solve for x
x = 31,784,481,903.74/203,713.14 - Step 6: Final answer
x = 156,025.68
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1.5x scale
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.