Finding the Fourth Proportional to 757,115.61, 1,135,247.59 and 251,405.96
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Solution
The fourth proportional to 757,115.61, 1,135,247.59 and 251,405.96 is: 376,967.53
Step by Step Solution
- Step 1: Write the proportion equation
757,115.61 : 1,135,247.59 = 251,405.96 : x - Step 2: Convert to fraction form
757,115.61/1,135,247.59 = 251,405.96/x - Step 3: Cross multiply
757,115.61x = 1,135,247.59 × 251,405.96 - Step 4: Simplify right side
757,115.61x = 285,408,004,839.66 - Step 5: Solve for x
x = 285,408,004,839.66/757,115.61 - Step 6: Final answer
x = 376,967.53
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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.