Finding the Fourth Proportional to 214,486.76, 321,733.92 and 74,249.84
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Solution
The fourth proportional to 214,486.76, 321,733.92 and 74,249.84 is: 111,376.07
Step by Step Solution
- Step 1: Write the proportion equation
214,486.76 : 321,733.92 = 74,249.84 : x - Step 2: Convert to fraction form
214,486.76/321,733.92 = 74,249.84/x - Step 3: Cross multiply
214,486.76x = 321,733.92 × 74,249.84 - Step 4: Simplify right side
214,486.76x = 23,888,692,082.57 - Step 5: Solve for x
x = 23,888,692,082.57/214,486.76 - Step 6: Final answer
x = 111,376.07
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.