Finding the Fourth Proportional to 203,770.08, 305,257.44 and 133,436.16
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Solution
The fourth proportional to 203,770.08, 305,257.44 and 133,436.16 is: 199,893.82
Step by Step Solution
- Step 1: Write the proportion equation
203,770.08 : 305,257.44 = 133,436.16 : x - Step 2: Convert to fraction form
203,770.08/305,257.44 = 133,436.16/x - Step 3: Cross multiply
203,770.08x = 305,257.44 × 133,436.16 - Step 4: Simplify right side
203,770.08x = 40,732,380,605.03 - Step 5: Solve for x
x = 40,732,380,605.03/203,770.08 - Step 6: Final answer
x = 199,893.82
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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.