Finding the Fourth Proportional to 283,961.70, 425,817.72 and 106,344.09
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Solution
The fourth proportional to 283,961.70, 425,817.72 and 106,344.09 is: 159,469.39
Step by Step Solution
- Step 1: Write the proportion equation
283,961.70 : 425,817.72 = 106,344.09 : x - Step 2: Convert to fraction form
283,961.70/425,817.72 = 106,344.09/x - Step 3: Cross multiply
283,961.70x = 425,817.72 × 106,344.09 - Step 4: Simplify right side
283,961.70x = 45,283,197,939.27 - Step 5: Solve for x
x = 45,283,197,939.27/283,961.70 - Step 6: Final answer
x = 159,469.39
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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.