Finding the Fourth Proportional to 169,755.58, 234,174.84 and 115,310.56
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Solution
The fourth proportional to 169,755.58, 234,174.84 and 115,310.56 is: 159,068.89
Step by Step Solution
- Step 1: Write the proportion equation
169,755.58 : 234,174.84 = 115,310.56 : x - Step 2: Convert to fraction form
169,755.58/234,174.84 = 115,310.56/x - Step 3: Cross multiply
169,755.58x = 234,174.84 × 115,310.56 - Step 4: Simplify right side
169,755.58x = 27,002,831,938.31 - Step 5: Solve for x
x = 27,002,831,938.31/169,755.58 - Step 6: Final answer
x = 159,068.89
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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.