Finding the Fourth Proportional to 494,382.96, 682,283.44 and 279,525.12
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Solution
The fourth proportional to 494,382.96, 682,283.44 and 279,525.12 is: 385,764.43
Step by Step Solution
- Step 1: Write the proportion equation
494,382.96 : 682,283.44 = 279,525.12 : x - Step 2: Convert to fraction form
494,382.96/682,283.44 = 279,525.12/x - Step 3: Cross multiply
494,382.96x = 682,283.44 × 279,525.12 - Step 4: Simplify right side
494,382.96x = 190,715,360,440.01 - Step 5: Solve for x
x = 190,715,360,440.01/494,382.96 - Step 6: Final answer
x = 385,764.43
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.