Finding the Fourth Proportional to 203,941.70, 305,912.55 and 203,941.70
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Solution
The fourth proportional to 203,941.70, 305,912.55 and 203,941.70 is: 305,912.55
Step by Step Solution
- Step 1: Write the proportion equation
203,941.70 : 305,912.55 = 203,941.70 : x - Step 2: Convert to fraction form
203,941.70/305,912.55 = 203,941.70/x - Step 3: Cross multiply
203,941.70x = 305,912.55 × 203,941.70 - Step 4: Simplify right side
203,941.70x = 62,388,325,498.34 - Step 5: Solve for x
x = 62,388,325,498.34/203,941.70 - Step 6: Final answer
x = 305,912.55
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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.