Finding the Fourth Proportional to 757,168.40, 1,135,506.74 and 251,593.64
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Solution
The fourth proportional to 757,168.40, 1,135,506.74 and 251,593.64 is: 377,308.77
Step by Step Solution
- Step 1: Write the proportion equation
757,168.40 : 1,135,506.74 = 251,593.64 : x - Step 2: Convert to fraction form
757,168.40/1,135,506.74 = 251,593.64/x - Step 3: Cross multiply
757,168.40x = 1,135,506.74 × 251,593.64 - Step 4: Simplify right side
757,168.40x = 285,686,273,961.13 - Step 5: Solve for x
x = 285,686,273,961.13/757,168.40 - Step 6: Final answer
x = 377,308.77
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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.