Finding the Fourth Proportional to 188,816.68, 260,536.53 and 108,229.38
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Solution
The fourth proportional to 188,816.68, 260,536.53 and 108,229.38 is: 149,339.07
Step by Step Solution
- Step 1: Write the proportion equation
188,816.68 : 260,536.53 = 108,229.38 : x - Step 2: Convert to fraction form
188,816.68/260,536.53 = 108,229.38/x - Step 3: Cross multiply
188,816.68x = 260,536.53 × 108,229.38 - Step 4: Simplify right side
188,816.68x = 28,197,707,109.25 - Step 5: Solve for x
x = 28,197,707,109.25/188,816.68 - Step 6: Final answer
x = 149,339.07
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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.