Finding the Fourth Proportional to 234,472.68, 351,709.46 and 56,979.84
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Solution
The fourth proportional to 234,472.68, 351,709.46 and 56,979.84 is: 85,469.87
Step by Step Solution
- Step 1: Write the proportion equation
234,472.68 : 351,709.46 = 56,979.84 : x - Step 2: Convert to fraction form
234,472.68/351,709.46 = 56,979.84/x - Step 3: Cross multiply
234,472.68x = 351,709.46 × 56,979.84 - Step 4: Simplify right side
234,472.68x = 20,040,348,757.29 - Step 5: Solve for x
x = 20,040,348,757.29/234,472.68 - Step 6: Final answer
x = 85,469.87
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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.