Finding the Fourth Proportional to 203,455.80, 305,183.70 and 193,087.80
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Solution
The fourth proportional to 203,455.80, 305,183.70 and 193,087.80 is: 289,631.70
Step by Step Solution
- Step 1: Write the proportion equation
203,455.80 : 305,183.70 = 193,087.80 : x - Step 2: Convert to fraction form
203,455.80/305,183.70 = 193,087.80/x - Step 3: Cross multiply
203,455.80x = 305,183.70 × 193,087.80 - Step 4: Simplify right side
203,455.80x = 58,927,249,228.86 - Step 5: Solve for x
x = 58,927,249,228.86/203,455.80 - Step 6: Final answer
x = 289,631.70
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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.