Finding the Fourth Proportional to 494,633.38, 682,594.10 and 279,768.82
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Solution
The fourth proportional to 494,633.38, 682,594.10 and 279,768.82 is: 386,080.99
Step by Step Solution
- Step 1: Write the proportion equation
494,633.38 : 682,594.10 = 279,768.82 : x - Step 2: Convert to fraction form
494,633.38/682,594.10 = 279,768.82/x - Step 3: Cross multiply
494,633.38x = 682,594.10 × 279,768.82 - Step 4: Simplify right side
494,633.38x = 190,968,543,182.41 - Step 5: Solve for x
x = 190,968,543,182.41/494,633.38 - Step 6: Final answer
x = 386,080.99
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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.