Finding the Fourth Proportional to 218,068.58, 327,102.94 and 89,982.99
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Solution
The fourth proportional to 218,068.58, 327,102.94 and 89,982.99 is: 134,974.51
Step by Step Solution
- Step 1: Write the proportion equation
218,068.58 : 327,102.94 = 89,982.99 : x - Step 2: Convert to fraction form
218,068.58/327,102.94 = 89,982.99/x - Step 3: Cross multiply
218,068.58x = 327,102.94 × 89,982.99 - Step 4: Simplify right side
218,068.58x = 29,433,700,578.99 - Step 5: Solve for x
x = 29,433,700,578.99/218,068.58 - Step 6: Final answer
x = 134,974.51
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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.