Finding the Fourth Proportional to 382,993.80, 574,490.70 and 102,511.05
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Solution
The fourth proportional to 382,993.80, 574,490.70 and 102,511.05 is: 153,766.58
Step by Step Solution
- Step 1: Write the proportion equation
382,993.80 : 574,490.70 = 102,511.05 : x - Step 2: Convert to fraction form
382,993.80/574,490.70 = 102,511.05/x - Step 3: Cross multiply
382,993.80x = 574,490.70 × 102,511.05 - Step 4: Simplify right side
382,993.80x = 58,891,644,872.24 - Step 5: Solve for x
x = 58,891,644,872.24/382,993.80 - Step 6: Final answer
x = 153,766.58
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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.