Finding the Fourth Proportional to 203,487.80, 305,231.70 and 150,343.70
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Solution
The fourth proportional to 203,487.80, 305,231.70 and 150,343.70 is: 225,515.55
Step by Step Solution
- Step 1: Write the proportion equation
203,487.80 : 305,231.70 = 150,343.70 : x - Step 2: Convert to fraction form
203,487.80/305,231.70 = 150,343.70/x - Step 3: Cross multiply
203,487.80x = 305,231.70 × 150,343.70 - Step 4: Simplify right side
203,487.80x = 45,889,663,135.29 - Step 5: Solve for x
x = 45,889,663,135.29/203,487.80 - Step 6: Final answer
x = 225,515.55
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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.