Finding the Fourth Proportional to 186,805.58, 257,790.39 and 106,233.08
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Solution
The fourth proportional to 186,805.58, 257,790.39 and 106,233.08 is: 146,600.91
Step by Step Solution
- Step 1: Write the proportion equation
186,805.58 : 257,790.39 = 106,233.08 : x - Step 2: Convert to fraction form
186,805.58/257,790.39 = 106,233.08/x - Step 3: Cross multiply
186,805.58x = 257,790.39 × 106,233.08 - Step 4: Simplify right side
186,805.58x = 27,385,867,124.10 - Step 5: Solve for x
x = 27,385,867,124.10/186,805.58 - Step 6: Final answer
x = 146,600.91
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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.