Finding the Fourth Proportional to 168,492.96, 252,738.72 and 68,630.88
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Solution
The fourth proportional to 168,492.96, 252,738.72 and 68,630.88 is: 102,946.03
Step by Step Solution
- Step 1: Write the proportion equation
168,492.96 : 252,738.72 = 68,630.88 : x - Step 2: Convert to fraction form
168,492.96/252,738.72 = 68,630.88/x - Step 3: Cross multiply
168,492.96x = 252,738.72 × 68,630.88 - Step 4: Simplify right side
168,492.96x = 17,345,680,763.67 - Step 5: Solve for x
x = 17,345,680,763.67/168,492.96 - Step 6: Final answer
x = 102,946.03
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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.