Finding the Fourth Proportional to 173,721.30, 260,668.35 and 68,543.70
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Solution
The fourth proportional to 173,721.30, 260,668.35 and 68,543.70 is: 102,849.64
Step by Step Solution
- Step 1: Write the proportion equation
173,721.30 : 260,668.35 = 68,543.70 : x - Step 2: Convert to fraction form
173,721.30/260,668.35 = 68,543.70/x - Step 3: Cross multiply
173,721.30x = 260,668.35 × 68,543.70 - Step 4: Simplify right side
173,721.30x = 17,867,173,181.90 - Step 5: Solve for x
x = 17,867,173,181.90/173,721.30 - Step 6: Final answer
x = 102,849.64
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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.