Finding the Fourth Proportional to 159,911.26, 220,680.98 and 88,295.81
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Solution
The fourth proportional to 159,911.26, 220,680.98 and 88,295.81 is: 121,850.12
Step by Step Solution
- Step 1: Write the proportion equation
159,911.26 : 220,680.98 = 88,295.81 : x - Step 2: Convert to fraction form
159,911.26/220,680.98 = 88,295.81/x - Step 3: Cross multiply
159,911.26x = 220,680.98 × 88,295.81 - Step 4: Simplify right side
159,911.26x = 19,485,205,439.21 - Step 5: Solve for x
x = 19,485,205,439.21/159,911.26 - Step 6: Final answer
x = 121,850.12
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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.