Finding the Fourth Proportional to 671,249.12, 1,006,872.45 and 198,266.63
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Solution
The fourth proportional to 671,249.12, 1,006,872.45 and 198,266.63 is: 297,399.58
Step by Step Solution
- Step 1: Write the proportion equation
671,249.12 : 1,006,872.45 = 198,266.63 : x - Step 2: Convert to fraction form
671,249.12/1,006,872.45 = 198,266.63/x - Step 3: Cross multiply
671,249.12x = 1,006,872.45 × 198,266.63 - Step 4: Simplify right side
671,249.12x = 199,629,202,466.98 - Step 5: Solve for x
x = 199,629,202,466.98/671,249.12 - Step 6: Final answer
x = 297,399.58
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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.