Finding the Fourth Proportional to 218,106.09, 327,158.64 and 68,357.79
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Solution
The fourth proportional to 218,106.09, 327,158.64 and 68,357.79 is: 102,536.53
Step by Step Solution
- Step 1: Write the proportion equation
218,106.09 : 327,158.64 = 68,357.79 : x - Step 2: Convert to fraction form
218,106.09/327,158.64 = 68,357.79/x - Step 3: Cross multiply
218,106.09x = 327,158.64 × 68,357.79 - Step 4: Simplify right side
218,106.09x = 22,363,841,609.81 - Step 5: Solve for x
x = 22,363,841,609.81/218,106.09 - Step 6: Final answer
x = 102,536.53
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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.