Finding the Fourth Proportional to 303,472.68, 455,147.58 and 81,804.84
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Solution
The fourth proportional to 303,472.68, 455,147.58 and 81,804.84 is: 122,690.70
Step by Step Solution
- Step 1: Write the proportion equation
303,472.68 : 455,147.58 = 81,804.84 : x - Step 2: Convert to fraction form
303,472.68/455,147.58 = 81,804.84/x - Step 3: Cross multiply
303,472.68x = 455,147.58 × 81,804.84 - Step 4: Simplify right side
303,472.68x = 37,233,274,958.29 - Step 5: Solve for x
x = 37,233,274,958.29/303,472.68 - Step 6: Final answer
x = 122,690.70
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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.