Finding the Fourth Proportional to 188,209.99, 259,712.49 and 111,716.02
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Solution
The fourth proportional to 188,209.99, 259,712.49 and 111,716.02 is: 154,157.84
Step by Step Solution
- Step 1: Write the proportion equation
188,209.99 : 259,712.49 = 111,716.02 : x - Step 2: Convert to fraction form
188,209.99/259,712.49 = 111,716.02/x - Step 3: Cross multiply
188,209.99x = 259,712.49 × 111,716.02 - Step 4: Simplify right side
188,209.99x = 29,014,045,727.09 - Step 5: Solve for x
x = 29,014,045,727.09/188,209.99 - Step 6: Final answer
x = 154,157.84
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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.