Finding the Fourth Proportional to 211,863.09, 317,524.44 and 99,295.02
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Solution
The fourth proportional to 211,863.09, 317,524.44 and 99,295.02 is: 148,815.90
Step by Step Solution
- Step 1: Write the proportion equation
211,863.09 : 317,524.44 = 99,295.02 : x - Step 2: Convert to fraction form
211,863.09/317,524.44 = 99,295.02/x - Step 3: Cross multiply
211,863.09x = 317,524.44 × 99,295.02 - Step 4: Simplify right side
211,863.09x = 31,528,595,620.29 - Step 5: Solve for x
x = 31,528,595,620.29/211,863.09 - Step 6: Final answer
x = 148,815.90
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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.