Finding the Fourth Proportional to 424,640.08, 585,988.68 and 233,635.60
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Solution
The fourth proportional to 424,640.08, 585,988.68 and 233,635.60 is: 322,409.08
Step by Step Solution
- Step 1: Write the proportion equation
424,640.08 : 585,988.68 = 233,635.60 : x - Step 2: Convert to fraction form
424,640.08/585,988.68 = 233,635.60/x - Step 3: Cross multiply
424,640.08x = 585,988.68 × 233,635.60 - Step 4: Simplify right side
424,640.08x = 136,907,816,845.01 - Step 5: Solve for x
x = 136,907,816,845.01/424,640.08 - Step 6: Final answer
x = 322,409.08
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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.