Finding the Fourth Proportional to 252,856.99, 379,284.12 and 103,096.70
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Solution
The fourth proportional to 252,856.99, 379,284.12 and 103,096.70 is: 154,644.49
Step by Step Solution
- Step 1: Write the proportion equation
252,856.99 : 379,284.12 = 103,096.70 : x - Step 2: Convert to fraction form
252,856.99/379,284.12 = 103,096.70/x - Step 3: Cross multiply
252,856.99x = 379,284.12 × 103,096.70 - Step 4: Simplify right side
252,856.99x = 39,102,940,660.30 - Step 5: Solve for x
x = 39,102,940,660.30/252,856.99 - Step 6: Final answer
x = 154,644.49
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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.