Finding the Fourth Proportional to 494,489.82, 682,396.35 and 268,135.32
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Solution
The fourth proportional to 494,489.82, 682,396.35 and 268,135.32 is: 370,026.96
Step by Step Solution
- Step 1: Write the proportion equation
494,489.82 : 682,396.35 = 268,135.32 : x - Step 2: Convert to fraction form
494,489.82/682,396.35 = 268,135.32/x - Step 3: Cross multiply
494,489.82x = 682,396.35 × 268,135.32 - Step 4: Simplify right side
494,489.82x = 182,974,563,674.08 - Step 5: Solve for x
x = 182,974,563,674.08/494,489.82 - Step 6: Final answer
x = 370,026.96
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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.