Finding the Fourth Proportional to 644,546.97, 966,920.74 and 195,160.84
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Solution
The fourth proportional to 644,546.97, 966,920.74 and 195,160.84 is: 292,771.62
Step by Step Solution
- Step 1: Write the proportion equation
644,546.97 : 966,920.74 = 195,160.84 : x - Step 2: Convert to fraction form
644,546.97/966,920.74 = 195,160.84/x - Step 3: Cross multiply
644,546.97x = 966,920.74 × 195,160.84 - Step 4: Simplify right side
644,546.97x = 188,705,060,926.62 - Step 5: Solve for x
x = 188,705,060,926.62/644,546.97 - Step 6: Final answer
x = 292,771.62
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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.