Finding the Fourth Proportional to 203,440.20, 305,165.70 and 63,202.20
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Solution
The fourth proportional to 203,440.20, 305,165.70 and 63,202.20 is: 94,804.98
Step by Step Solution
- Step 1: Write the proportion equation
203,440.20 : 305,165.70 = 63,202.20 : x - Step 2: Convert to fraction form
203,440.20/305,165.70 = 63,202.20/x - Step 3: Cross multiply
203,440.20x = 305,165.70 × 63,202.20 - Step 4: Simplify right side
203,440.20x = 19,287,143,604.54 - Step 5: Solve for x
x = 19,287,143,604.54/203,440.20 - Step 6: Final answer
x = 94,804.98
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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.