Finding the Fourth Proportional to 303,883.44, 455,825.49 and 79,243.68
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Solution
The fourth proportional to 303,883.44, 455,825.49 and 79,243.68 is: 118,865.61
Step by Step Solution
- Step 1: Write the proportion equation
303,883.44 : 455,825.49 = 79,243.68 : x - Step 2: Convert to fraction form
303,883.44/455,825.49 = 79,243.68/x - Step 3: Cross multiply
303,883.44x = 455,825.49 × 79,243.68 - Step 4: Simplify right side
303,883.44x = 36,121,289,265.40 - Step 5: Solve for x
x = 36,121,289,265.40/303,883.44 - Step 6: Final answer
x = 118,865.61
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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.