Finding the Fourth Proportional to 328,865.20, 453,785.34 and 192,847.84
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Solution
The fourth proportional to 328,865.20, 453,785.34 and 192,847.84 is: 266,101.50
Step by Step Solution
- Step 1: Write the proportion equation
328,865.20 : 453,785.34 = 192,847.84 : x - Step 2: Convert to fraction form
328,865.20/453,785.34 = 192,847.84/x - Step 3: Cross multiply
328,865.20x = 453,785.34 × 192,847.84 - Step 4: Simplify right side
328,865.20x = 87,511,522,642.67 - Step 5: Solve for x
x = 87,511,522,642.67/328,865.20 - Step 6: Final answer
x = 266,101.50
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.