Finding the Fourth Proportional to 428,352.44, 591,129.84 and 237,369.02
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Solution
The fourth proportional to 428,352.44, 591,129.84 and 237,369.02 is: 327,571.17
Step by Step Solution
- Step 1: Write the proportion equation
428,352.44 : 591,129.84 = 237,369.02 : x - Step 2: Convert to fraction form
428,352.44/591,129.84 = 237,369.02/x - Step 3: Cross multiply
428,352.44x = 591,129.84 × 237,369.02 - Step 4: Simplify right side
428,352.44x = 140,315,910,813.56 - Step 5: Solve for x
x = 140,315,910,813.56/428,352.44 - Step 6: Final answer
x = 327,571.17
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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.