Finding the Fourth Proportional to 203,555.52, 305,274.96 and 68,604.88
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Solution
The fourth proportional to 203,555.52, 305,274.96 and 68,604.88 is: 102,887.66
Step by Step Solution
- Step 1: Write the proportion equation
203,555.52 : 305,274.96 = 68,604.88 : x - Step 2: Convert to fraction form
203,555.52/305,274.96 = 68,604.88/x - Step 3: Cross multiply
203,555.52x = 305,274.96 × 68,604.88 - Step 4: Simplify right side
203,555.52x = 20,943,351,997.80 - Step 5: Solve for x
x = 20,943,351,997.80/203,555.52 - Step 6: Final answer
x = 102,887.66
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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.