Finding the Fourth Proportional to 214,581.84, 321,764.76 and 74,302.80
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Solution
The fourth proportional to 214,581.84, 321,764.76 and 74,302.80 is: 111,416.80
Step by Step Solution
- Step 1: Write the proportion equation
214,581.84 : 321,764.76 = 74,302.80 : x - Step 2: Convert to fraction form
214,581.84/321,764.76 = 74,302.80/x - Step 3: Cross multiply
214,581.84x = 321,764.76 × 74,302.80 - Step 4: Simplify right side
214,581.84x = 23,908,022,609.33 - Step 5: Solve for x
x = 23,908,022,609.33/214,581.84 - Step 6: Final answer
x = 111,416.80
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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.