Finding the Fourth Proportional to 381,725.28, 572,883.12 and 264,217.68
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Solution
The fourth proportional to 381,725.28, 572,883.12 and 264,217.68 is: 396,530.85
Step by Step Solution
- Step 1: Write the proportion equation
381,725.28 : 572,883.12 = 264,217.68 : x - Step 2: Convert to fraction form
381,725.28/572,883.12 = 264,217.68/x - Step 3: Cross multiply
381,725.28x = 572,883.12 × 264,217.68 - Step 4: Simplify right side
381,725.28x = 151,365,848,877.56 - Step 5: Solve for x
x = 151,365,848,877.56/381,725.28 - Step 6: Final answer
x = 396,530.85
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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.