Finding the Fourth Proportional to 757,161.40, 1,135,496.26 and 251,586.62
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Solution
The fourth proportional to 757,161.40, 1,135,496.26 and 251,586.62 is: 377,298.24
Step by Step Solution
- Step 1: Write the proportion equation
757,161.40 : 1,135,496.26 = 251,586.62 : x - Step 2: Convert to fraction form
757,161.40/1,135,496.26 = 251,586.62/x - Step 3: Cross multiply
757,161.40x = 1,135,496.26 × 251,586.62 - Step 4: Simplify right side
757,161.40x = 285,675,666,076.04 - Step 5: Solve for x
x = 285,675,666,076.04/757,161.40 - Step 6: Final answer
x = 377,298.24
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1.5x scale
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.