Finding the Fourth Proportional to 147,716.62, 203,847.88 and 80,648.62
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Solution
The fourth proportional to 147,716.62, 203,847.88 and 80,648.62 is: 111,294.52
Step by Step Solution
- Step 1: Write the proportion equation
147,716.62 : 203,847.88 = 80,648.62 : x - Step 2: Convert to fraction form
147,716.62/203,847.88 = 80,648.62/x - Step 3: Cross multiply
147,716.62x = 203,847.88 × 80,648.62 - Step 4: Simplify right side
147,716.62x = 16,440,050,211.93 - Step 5: Solve for x
x = 16,440,050,211.93/147,716.62 - Step 6: Final answer
x = 111,294.52
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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.