Finding the Fourth Proportional to 203,507.34, 305,202.62 and 68,556.76
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Solution
The fourth proportional to 203,507.34, 305,202.62 and 68,556.76 is: 102,815.47
Step by Step Solution
- Step 1: Write the proportion equation
203,507.34 : 305,202.62 = 68,556.76 : x - Step 2: Convert to fraction form
203,507.34/305,202.62 = 68,556.76/x - Step 3: Cross multiply
203,507.34x = 305,202.62 × 68,556.76 - Step 4: Simplify right side
203,507.34x = 20,923,702,770.71 - Step 5: Solve for x
x = 20,923,702,770.71/203,507.34 - Step 6: Final answer
x = 102,815.47
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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.