Finding the Fourth Proportional to 159,912.26, 220,682.36 and 88,296.81
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Solution
The fourth proportional to 159,912.26, 220,682.36 and 88,296.81 is: 121,851.50
Step by Step Solution
- Step 1: Write the proportion equation
159,912.26 : 220,682.36 = 88,296.81 : x - Step 2: Convert to fraction form
159,912.26/220,682.36 = 88,296.81/x - Step 3: Cross multiply
159,912.26x = 220,682.36 × 88,296.81 - Step 4: Simplify right side
159,912.26x = 19,485,547,969.79 - Step 5: Solve for x
x = 19,485,547,969.79/159,912.26 - Step 6: Final answer
x = 121,851.50
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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.