Finding the Fourth Proportional to 494,814.74, 682,841.49 and 268,455.38
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Solution
The fourth proportional to 494,814.74, 682,841.49 and 268,455.38 is: 370,466.88
Step by Step Solution
- Step 1: Write the proportion equation
494,814.74 : 682,841.49 = 268,455.38 : x - Step 2: Convert to fraction form
494,814.74/682,841.49 = 268,455.38/x - Step 3: Cross multiply
494,814.74x = 682,841.49 × 268,455.38 - Step 4: Simplify right side
494,814.74x = 183,312,471,677.72 - Step 5: Solve for x
x = 183,312,471,677.72/494,814.74 - Step 6: Final answer
x = 370,466.88
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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.