Finding the Fourth Proportional to 225,676.99, 338,531.82 and 75,916.63
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Solution
The fourth proportional to 225,676.99, 338,531.82 and 75,916.63 is: 113,880.44
Step by Step Solution
- Step 1: Write the proportion equation
225,676.99 : 338,531.82 = 75,916.63 : x - Step 2: Convert to fraction form
225,676.99/338,531.82 = 75,916.63/x - Step 3: Cross multiply
225,676.99x = 338,531.82 × 75,916.63 - Step 4: Simplify right side
225,676.99x = 25,700,194,922.17 - Step 5: Solve for x
x = 25,700,194,922.17/225,676.99 - Step 6: Final answer
x = 113,880.44
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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.