Finding the Fourth Proportional to 159,808.26, 220,539.78 and 88,193.70
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Solution
The fourth proportional to 159,808.26, 220,539.78 and 88,193.70 is: 121,709.72
Step by Step Solution
- Step 1: Write the proportion equation
159,808.26 : 220,539.78 = 88,193.70 : x - Step 2: Convert to fraction form
159,808.26/220,539.78 = 88,193.70/x - Step 3: Cross multiply
159,808.26x = 220,539.78 × 88,193.70 - Step 4: Simplify right side
159,808.26x = 19,450,219,195.39 - Step 5: Solve for x
x = 19,450,219,195.39/159,808.26 - Step 6: Final answer
x = 121,709.72
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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.