Finding the Fourth Proportional to 186,981.09, 280,305.14 and 68,624.97
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Solution
The fourth proportional to 186,981.09, 280,305.14 and 68,624.97 is: 102,876.35
Step by Step Solution
- Step 1: Write the proportion equation
186,981.09 : 280,305.14 = 68,624.97 : x - Step 2: Convert to fraction form
186,981.09/280,305.14 = 68,624.97/x - Step 3: Cross multiply
186,981.09x = 280,305.14 × 68,624.97 - Step 4: Simplify right side
186,981.09x = 19,235,931,480.22 - Step 5: Solve for x
x = 19,235,931,480.22/186,981.09 - Step 6: Final answer
x = 102,876.35
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.