Finding the Fourth Proportional to 203,921.80, 305,882.70 and 110,609.80
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Solution
The fourth proportional to 203,921.80, 305,882.70 and 110,609.80 is: 165,914.70
Step by Step Solution
- Step 1: Write the proportion equation
203,921.80 : 305,882.70 = 110,609.80 : x - Step 2: Convert to fraction form
203,921.80/305,882.70 = 110,609.80/x - Step 3: Cross multiply
203,921.80x = 305,882.70 × 110,609.80 - Step 4: Simplify right side
203,921.80x = 33,833,624,270.46 - Step 5: Solve for x
x = 33,833,624,270.46/203,921.80 - Step 6: Final answer
x = 165,914.70
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.