Finding the Fourth Proportional to 203,610.24, 305,506.08 and 78,960.96
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Solution
The fourth proportional to 203,610.24, 305,506.08 and 78,960.96 is: 118,476.62
Step by Step Solution
- Step 1: Write the proportion equation
203,610.24 : 305,506.08 = 78,960.96 : x - Step 2: Convert to fraction form
203,610.24/305,506.08 = 78,960.96/x - Step 3: Cross multiply
203,610.24x = 305,506.08 × 78,960.96 - Step 4: Simplify right side
203,610.24x = 24,123,053,362.64 - Step 5: Solve for x
x = 24,123,053,362.64/203,610.24 - Step 6: Final answer
x = 118,476.62
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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.