Finding the Fourth Proportional to 159,887.26, 220,643.09 and 88,265.75
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Solution
The fourth proportional to 159,887.26, 220,643.09 and 88,265.75 is: 121,806.01
Step by Step Solution
- Step 1: Write the proportion equation
159,887.26 : 220,643.09 = 88,265.75 : x - Step 2: Convert to fraction form
159,887.26/220,643.09 = 88,265.75/x - Step 3: Cross multiply
159,887.26x = 220,643.09 × 88,265.75 - Step 4: Simplify right side
159,887.26x = 19,475,227,821.17 - Step 5: Solve for x
x = 19,475,227,821.17/159,887.26 - Step 6: Final answer
x = 121,806.01
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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.