Finding the Fourth Proportional to 431,343.70, 595,256.67 and 250,163.05
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Solution
The fourth proportional to 431,343.70, 595,256.67 and 250,163.05 is: 345,226.39
Step by Step Solution
- Step 1: Write the proportion equation
431,343.70 : 595,256.67 = 250,163.05 : x - Step 2: Convert to fraction form
431,343.70/595,256.67 = 250,163.05/x - Step 3: Cross multiply
431,343.70x = 595,256.67 × 250,163.05 - Step 4: Simplify right side
431,343.70x = 148,911,227,270.37 - Step 5: Solve for x
x = 148,911,227,270.37/431,343.70 - Step 6: Final answer
x = 345,226.39
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.