Finding the Fourth Proportional to 159,778.26, 220,495.23 and 88,158.06
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Solution
The fourth proportional to 159,778.26, 220,495.23 and 88,158.06 is: 121,658.80
Step by Step Solution
- Step 1: Write the proportion equation
159,778.26 : 220,495.23 = 88,158.06 : x - Step 2: Convert to fraction form
159,778.26/220,495.23 = 88,158.06/x - Step 3: Cross multiply
159,778.26x = 220,495.23 × 88,158.06 - Step 4: Simplify right side
159,778.26x = 19,438,431,716.05 - Step 5: Solve for x
x = 19,438,431,716.05/159,778.26 - Step 6: Final answer
x = 121,658.80
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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.