Finding the Fourth Proportional to 186,868.07, 280,135.43 and 68,511.80
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Solution
The fourth proportional to 186,868.07, 280,135.43 and 68,511.80 is: 102,706.59
Step by Step Solution
- Step 1: Write the proportion equation
186,868.07 : 280,135.43 = 68,511.80 : x - Step 2: Convert to fraction form
186,868.07/280,135.43 = 68,511.80/x - Step 3: Cross multiply
186,868.07x = 280,135.43 × 68,511.80 - Step 4: Simplify right side
186,868.07x = 19,192,582,210.52 - Step 5: Solve for x
x = 19,192,582,210.52/186,868.07 - Step 6: Final answer
x = 102,706.59
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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.