Finding the Fourth Proportional to 382,616.84, 573,639.60 and 263,949.68
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Solution
The fourth proportional to 382,616.84, 573,639.60 and 263,949.68 is: 395,727.46
Step by Step Solution
- Step 1: Write the proportion equation
382,616.84 : 573,639.60 = 263,949.68 : x - Step 2: Convert to fraction form
382,616.84/573,639.60 = 263,949.68/x - Step 3: Cross multiply
382,616.84x = 573,639.60 × 263,949.68 - Step 4: Simplify right side
382,616.84x = 151,411,988,855.33 - Step 5: Solve for x
x = 151,411,988,855.33/382,616.84 - Step 6: Final answer
x = 395,727.46
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.