Finding the Fourth Proportional to 203,944.68, 281,385.12 and 123,313.68
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Solution
The fourth proportional to 203,944.68, 281,385.12 and 123,313.68 is: 170,137.48
Step by Step Solution
- Step 1: Write the proportion equation
203,944.68 : 281,385.12 = 123,313.68 : x - Step 2: Convert to fraction form
203,944.68/281,385.12 = 123,313.68/x - Step 3: Cross multiply
203,944.68x = 281,385.12 × 123,313.68 - Step 4: Simplify right side
203,944.68x = 34,698,634,644.44 - Step 5: Solve for x
x = 34,698,634,644.44/203,944.68 - Step 6: Final answer
x = 170,137.48
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.