Finding the Fourth Proportional to 283,735.26, 391,549.41 and 154,674.99
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Solution
The fourth proportional to 283,735.26, 391,549.41 and 154,674.99 is: 213,448.62
Step by Step Solution
- Step 1: Write the proportion equation
283,735.26 : 391,549.41 = 154,674.99 : x - Step 2: Convert to fraction form
283,735.26/391,549.41 = 154,674.99/x - Step 3: Cross multiply
283,735.26x = 391,549.41 × 154,674.99 - Step 4: Simplify right side
283,735.26x = 60,562,901,076.26 - Step 5: Solve for x
x = 60,562,901,076.26/283,735.26 - Step 6: Final answer
x = 213,448.62
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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.