Finding the Fourth Proportional to 203,772.04, 305,260.44 and 133,438.12
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Solution
The fourth proportional to 203,772.04, 305,260.44 and 133,438.12 is: 199,896.80
Step by Step Solution
- Step 1: Write the proportion equation
203,772.04 : 305,260.44 = 133,438.12 : x - Step 2: Convert to fraction form
203,772.04/305,260.44 = 133,438.12/x - Step 3: Cross multiply
203,772.04x = 305,260.44 × 133,438.12 - Step 4: Simplify right side
203,772.04x = 40,733,379,223.97 - Step 5: Solve for x
x = 40,733,379,223.97/203,772.04 - Step 6: Final answer
x = 199,896.80
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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.