Finding the Fourth Proportional to 305,880.23, 421,944.69 and 284,230.82
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Solution
The fourth proportional to 305,880.23, 421,944.69 and 284,230.82 is: 392,080.54
Step by Step Solution
- Step 1: Write the proportion equation
305,880.23 : 421,944.69 = 284,230.82 : x - Step 2: Convert to fraction form
305,880.23/421,944.69 = 284,230.82/x - Step 3: Cross multiply
305,880.23x = 421,944.69 × 284,230.82 - Step 4: Simplify right side
305,880.23x = 119,929,687,354.07 - Step 5: Solve for x
x = 119,929,687,354.07/305,880.23 - Step 6: Final answer
x = 392,080.54
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.