Finding the Fourth Proportional to 170,994.73, 235,850.33 and 120,018.84
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Solution
The fourth proportional to 170,994.73, 235,850.33 and 120,018.84 is: 165,540.09
Step by Step Solution
- Step 1: Write the proportion equation
170,994.73 : 235,850.33 = 120,018.84 : x - Step 2: Convert to fraction form
170,994.73/235,850.33 = 120,018.84/x - Step 3: Cross multiply
170,994.73x = 235,850.33 × 120,018.84 - Step 4: Simplify right side
170,994.73x = 28,306,483,020.22 - Step 5: Solve for x
x = 28,306,483,020.22/170,994.73 - Step 6: Final answer
x = 165,540.09
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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.