Finding the Fourth Proportional to 278,571.84, 418,060.67 and 101,093.15
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Solution
The fourth proportional to 278,571.84, 418,060.67 and 101,093.15 is: 151,713.35
Step by Step Solution
- Step 1: Write the proportion equation
278,571.84 : 418,060.67 = 101,093.15 : x - Step 2: Convert to fraction form
278,571.84/418,060.67 = 101,093.15/x - Step 3: Cross multiply
278,571.84x = 418,060.67 × 101,093.15 - Step 4: Simplify right side
278,571.84x = 42,263,067,425.64 - Step 5: Solve for x
x = 42,263,067,425.64/278,571.84 - Step 6: Final answer
x = 151,713.35
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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.