Finding the Fourth Proportional to 662,991.48, 994,496.94 and 189,677.70
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Solution
The fourth proportional to 662,991.48, 994,496.94 and 189,677.70 is: 284,519.33
Step by Step Solution
- Step 1: Write the proportion equation
662,991.48 : 994,496.94 = 189,677.70 : x - Step 2: Convert to fraction form
662,991.48/994,496.94 = 189,677.70/x - Step 3: Cross multiply
662,991.48x = 994,496.94 × 189,677.70 - Step 4: Simplify right side
662,991.48x = 188,633,892,236.24 - Step 5: Solve for x
x = 188,633,892,236.24/662,991.48 - Step 6: Final answer
x = 284,519.33
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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.