Finding the Fourth Proportional to 159,757.97, 220,466.73 and 88,137.96
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Solution
The fourth proportional to 159,757.97, 220,466.73 and 88,137.96 is: 121,630.79
Step by Step Solution
- Step 1: Write the proportion equation
159,757.97 : 220,466.73 = 88,137.96 : x - Step 2: Convert to fraction form
159,757.97/220,466.73 = 88,137.96/x - Step 3: Cross multiply
159,757.97x = 220,466.73 × 88,137.96 - Step 4: Simplify right side
159,757.97x = 19,431,487,830.07 - Step 5: Solve for x
x = 19,431,487,830.07/159,757.97 - Step 6: Final answer
x = 121,630.79
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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.