Finding the Fourth Proportional to 203,249.35, 304,850.28 and 81,664.98
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Solution
The fourth proportional to 203,249.35, 304,850.28 and 81,664.98 is: 122,487.92
Step by Step Solution
- Step 1: Write the proportion equation
203,249.35 : 304,850.28 = 81,664.98 : x - Step 2: Convert to fraction form
203,249.35/304,850.28 = 81,664.98/x - Step 3: Cross multiply
203,249.35x = 304,850.28 × 81,664.98 - Step 4: Simplify right side
203,249.35x = 24,895,591,182.25 - Step 5: Solve for x
x = 24,895,591,182.25/203,249.35 - Step 6: Final answer
x = 122,487.92
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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.