Finding the Fourth Proportional to 424,893.24, 637,449.21 and 125,361.72
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Solution
The fourth proportional to 424,893.24, 637,449.21 and 125,361.72 is: 188,074.84
Step by Step Solution
- Step 1: Write the proportion equation
424,893.24 : 637,449.21 = 125,361.72 : x - Step 2: Convert to fraction form
424,893.24/637,449.21 = 125,361.72/x - Step 3: Cross multiply
424,893.24x = 637,449.21 × 125,361.72 - Step 4: Simplify right side
424,893.24x = 79,911,729,378.24 - Step 5: Solve for x
x = 79,911,729,378.24/424,893.24 - Step 6: Final answer
x = 188,074.84
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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.