Finding the Fourth Proportional to 186,992.80, 258,059.74 and 114,372.92
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Solution
The fourth proportional to 186,992.80, 258,059.74 and 114,372.92 is: 157,840.55
Step by Step Solution
- Step 1: Write the proportion equation
186,992.80 : 258,059.74 = 114,372.92 : x - Step 2: Convert to fraction form
186,992.80/258,059.74 = 114,372.92/x - Step 3: Cross multiply
186,992.80x = 258,059.74 × 114,372.92 - Step 4: Simplify right side
186,992.80x = 29,515,046,452.29 - Step 5: Solve for x
x = 29,515,046,452.29/186,992.80 - Step 6: Final answer
x = 157,840.55
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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.