Finding the Fourth Proportional to 197,902.20, 296,853.30 and 118,975.80
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Solution
The fourth proportional to 197,902.20, 296,853.30 and 118,975.80 is: 178,463.70
Step by Step Solution
- Step 1: Write the proportion equation
197,902.20 : 296,853.30 = 118,975.80 : x - Step 2: Convert to fraction form
197,902.20/296,853.30 = 118,975.80/x - Step 3: Cross multiply
197,902.20x = 296,853.30 × 118,975.80 - Step 4: Simplify right side
197,902.20x = 35,318,358,850.14 - Step 5: Solve for x
x = 35,318,358,850.14/197,902.20 - Step 6: Final answer
x = 178,463.70
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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.