Finding the Fourth Proportional to 188,290.77, 259,845.68 and 107,725.79
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Solution
The fourth proportional to 188,290.77, 259,845.68 and 107,725.79 is: 148,664.12
Step by Step Solution
- Step 1: Write the proportion equation
188,290.77 : 259,845.68 = 107,725.79 : x - Step 2: Convert to fraction form
188,290.77/259,845.68 = 107,725.79/x - Step 3: Cross multiply
188,290.77x = 259,845.68 × 107,725.79 - Step 4: Simplify right side
188,290.77x = 27,992,081,156.09 - Step 5: Solve for x
x = 27,992,081,156.09/188,290.77 - Step 6: Final answer
x = 148,664.12
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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.