Finding the Fourth Proportional to 319,571.25, 479,274.87 and 94,879.56
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Solution
The fourth proportional to 319,571.25, 479,274.87 and 94,879.56 is: 142,294.99
Step by Step Solution
- Step 1: Write the proportion equation
319,571.25 : 479,274.87 = 94,879.56 : x - Step 2: Convert to fraction form
319,571.25/479,274.87 = 94,879.56/x - Step 3: Cross multiply
319,571.25x = 479,274.87 × 94,879.56 - Step 4: Simplify right side
319,571.25x = 45,473,388,784.66 - Step 5: Solve for x
x = 45,473,388,784.66/319,571.25 - Step 6: Final answer
x = 142,294.99
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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.