Finding the Fourth Proportional to 186,544.62, 257,431.77 and 101,661.75
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Solution
The fourth proportional to 186,544.62, 257,431.77 and 101,661.75 is: 140,293.32
Step by Step Solution
- Step 1: Write the proportion equation
186,544.62 : 257,431.77 = 101,661.75 : x - Step 2: Convert to fraction form
186,544.62/257,431.77 = 101,661.75/x - Step 3: Cross multiply
186,544.62x = 257,431.77 × 101,661.75 - Step 4: Simplify right side
186,544.62x = 26,170,964,243.80 - Step 5: Solve for x
x = 26,170,964,243.80/186,544.62 - Step 6: Final answer
x = 140,293.32
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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.