Finding the Fourth Proportional to 268,768.88, 402,680.37 and 252,768.23
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Solution
The fourth proportional to 268,768.88, 402,680.37 and 252,768.23 is: 378,707.55
Step by Step Solution
- Step 1: Write the proportion equation
268,768.88 : 402,680.37 = 252,768.23 : x - Step 2: Convert to fraction form
268,768.88/402,680.37 = 252,768.23/x - Step 3: Cross multiply
268,768.88x = 402,680.37 × 252,768.23 - Step 4: Simplify right side
268,768.88x = 101,784,802,367.24 - Step 5: Solve for x
x = 101,784,802,367.24/268,768.88 - Step 6: Final answer
x = 378,707.55
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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.