Finding the Fourth Proportional to 188,708.58, 260,136.09 and 124,935.66
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Solution
The fourth proportional to 188,708.58, 260,136.09 and 124,935.66 is: 172,224.68
Step by Step Solution
- Step 1: Write the proportion equation
188,708.58 : 260,136.09 = 124,935.66 : x - Step 2: Convert to fraction form
188,708.58/260,136.09 = 124,935.66/x - Step 3: Cross multiply
188,708.58x = 260,136.09 × 124,935.66 - Step 4: Simplify right side
188,708.58x = 32,500,274,093.97 - Step 5: Solve for x
x = 32,500,274,093.97/188,708.58 - Step 6: Final answer
x = 172,224.68
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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.