Finding the Fourth Proportional to 252,351.26, 348,156.80 and 161,757.18
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Solution
The fourth proportional to 252,351.26, 348,156.80 and 161,757.18 is: 223,168.53
Step by Step Solution
- Step 1: Write the proportion equation
252,351.26 : 348,156.80 = 161,757.18 : x - Step 2: Convert to fraction form
252,351.26/348,156.80 = 161,757.18/x - Step 3: Cross multiply
252,351.26x = 348,156.80 × 161,757.18 - Step 4: Simplify right side
252,351.26x = 56,316,860,425.04 - Step 5: Solve for x
x = 56,316,860,425.04/252,351.26 - Step 6: Final answer
x = 223,168.53
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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.