Finding the Fourth Proportional to 203,778.44, 305,627.12 and 102,549.48
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Solution
The fourth proportional to 203,778.44, 305,627.12 and 102,549.48 is: 153,803.82
Step by Step Solution
- Step 1: Write the proportion equation
203,778.44 : 305,627.12 = 102,549.48 : x - Step 2: Convert to fraction form
203,778.44/305,627.12 = 102,549.48/x - Step 3: Cross multiply
203,778.44x = 305,627.12 × 102,549.48 - Step 4: Simplify right side
203,778.44x = 31,341,902,229.90 - Step 5: Solve for x
x = 31,341,902,229.90/203,778.44 - Step 6: Final answer
x = 153,803.82
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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.