Finding the Fourth Proportional to 423,755.44, 584,640.12 and 239,968.96
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Solution
The fourth proportional to 423,755.44, 584,640.12 and 239,968.96 is: 331,076.53
Step by Step Solution
- Step 1: Write the proportion equation
423,755.44 : 584,640.12 = 239,968.96 : x - Step 2: Convert to fraction form
423,755.44/584,640.12 = 239,968.96/x - Step 3: Cross multiply
423,755.44x = 584,640.12 × 239,968.96 - Step 4: Simplify right side
423,755.44x = 140,295,481,570.68 - Step 5: Solve for x
x = 140,295,481,570.68/423,755.44 - Step 6: Final answer
x = 331,076.53
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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.