Finding the Fourth Proportional to 186,911.26, 258,030.06 and 115,330.72
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Solution
The fourth proportional to 186,911.26, 258,030.06 and 115,330.72 is: 159,213.48
Step by Step Solution
- Step 1: Write the proportion equation
186,911.26 : 258,030.06 = 115,330.72 : x - Step 2: Convert to fraction form
186,911.26/258,030.06 = 115,330.72/x - Step 3: Cross multiply
186,911.26x = 258,030.06 × 115,330.72 - Step 4: Simplify right side
186,911.26x = 29,758,792,601.44 - Step 5: Solve for x
x = 29,758,792,601.44/186,911.26 - Step 6: Final answer
x = 159,213.48
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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.