Finding the Fourth Proportional to 203,905.46, 305,861.27 and 70,789.95
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Solution
The fourth proportional to 203,905.46, 305,861.27 and 70,789.95 is: 106,185.99
Step by Step Solution
- Step 1: Write the proportion equation
203,905.46 : 305,861.27 = 70,789.95 : x - Step 2: Convert to fraction form
203,905.46/305,861.27 = 70,789.95/x - Step 3: Cross multiply
203,905.46x = 305,861.27 × 70,789.95 - Step 4: Simplify right side
203,905.46x = 21,651,904,010.24 - Step 5: Solve for x
x = 21,651,904,010.24/203,905.46 - Step 6: Final answer
x = 106,185.99
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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.