Finding the Fourth Proportional to 206,374.62, 284,676.33 and 129,772.44
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Solution
The fourth proportional to 206,374.62, 284,676.33 and 129,772.44 is: 179,010.10
Step by Step Solution
- Step 1: Write the proportion equation
206,374.62 : 284,676.33 = 129,772.44 : x - Step 2: Convert to fraction form
206,374.62/284,676.33 = 129,772.44/x - Step 3: Cross multiply
206,374.62x = 284,676.33 × 129,772.44 - Step 4: Simplify right side
206,374.62x = 36,943,140,918.22 - Step 5: Solve for x
x = 36,943,140,918.22/206,374.62 - Step 6: Final answer
x = 179,010.10
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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.