Finding the Fourth Proportional to 186,631.15, 257,554.86 and 104,960.97
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Solution
The fourth proportional to 186,631.15, 257,554.86 and 104,960.97 is: 144,848.31
Step by Step Solution
- Step 1: Write the proportion equation
186,631.15 : 257,554.86 = 104,960.97 : x - Step 2: Convert to fraction form
186,631.15/257,554.86 = 104,960.97/x - Step 3: Cross multiply
186,631.15x = 257,554.86 × 104,960.97 - Step 4: Simplify right side
186,631.15x = 27,033,206,121.24 - Step 5: Solve for x
x = 27,033,206,121.24/186,631.15 - Step 6: Final answer
x = 144,848.31
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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.