Finding the Fourth Proportional to 514,197.70, 771,170.70 and 214,680.76
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Solution
The fourth proportional to 514,197.70, 771,170.70 and 214,680.76 is: 321,968.60
Step by Step Solution
- Step 1: Write the proportion equation
514,197.70 : 771,170.70 = 214,680.76 : x - Step 2: Convert to fraction form
514,197.70/771,170.70 = 214,680.76/x - Step 3: Cross multiply
514,197.70x = 771,170.70 × 214,680.76 - Step 4: Simplify right side
514,197.70x = 165,555,511,965.73 - Step 5: Solve for x
x = 165,555,511,965.73/514,197.70 - Step 6: Final answer
x = 321,968.60
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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.