Finding the Fourth Proportional to 183,324.20, 252,514.17 and 129,515.81
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Solution
The fourth proportional to 183,324.20, 252,514.17 and 129,515.81 is: 178,397.49
Step by Step Solution
- Step 1: Write the proportion equation
183,324.20 : 252,514.17 = 129,515.81 : x - Step 2: Convert to fraction form
183,324.20/252,514.17 = 129,515.81/x - Step 3: Cross multiply
183,324.20x = 252,514.17 × 129,515.81 - Step 4: Simplify right side
183,324.20x = 32,704,576,001.46 - Step 5: Solve for x
x = 32,704,576,001.46/183,324.20 - Step 6: Final answer
x = 178,397.49
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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.