Finding the Fourth Proportional to 643,514.81, 964,893.68 and 244,183.66
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Solution
The fourth proportional to 643,514.81, 964,893.68 and 244,183.66 is: 366,131.85
Step by Step Solution
- Step 1: Write the proportion equation
643,514.81 : 964,893.68 = 244,183.66 : x - Step 2: Convert to fraction form
643,514.81/964,893.68 = 244,183.66/x - Step 3: Cross multiply
643,514.81x = 964,893.68 × 244,183.66 - Step 4: Simplify right side
643,514.81x = 235,611,266,660.12 - Step 5: Solve for x
x = 235,611,266,660.12/643,514.81 - Step 6: Final answer
x = 366,131.85
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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.