Finding the Fourth Proportional to 182,721.21, 252,157.15 and 102,153.21
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Solution
The fourth proportional to 182,721.21, 252,157.15 and 102,153.21 is: 140,972.48
Step by Step Solution
- Step 1: Write the proportion equation
182,721.21 : 252,157.15 = 102,153.21 : x - Step 2: Convert to fraction form
182,721.21/252,157.15 = 102,153.21/x - Step 3: Cross multiply
182,721.21x = 252,157.15 × 102,153.21 - Step 4: Simplify right side
182,721.21x = 25,758,661,786.19 - Step 5: Solve for x
x = 25,758,661,786.19/182,721.21 - Step 6: Final answer
x = 140,972.48
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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.