Finding the Fourth Proportional to 283,923.62, 425,944.20 and 115,443.96
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Solution
The fourth proportional to 283,923.62, 425,944.20 and 115,443.96 is: 173,189.84
Step by Step Solution
- Step 1: Write the proportion equation
283,923.62 : 425,944.20 = 115,443.96 : x - Step 2: Convert to fraction form
283,923.62/425,944.20 = 115,443.96/x - Step 3: Cross multiply
283,923.62x = 425,944.20 × 115,443.96 - Step 4: Simplify right side
283,923.62x = 49,172,685,187.03 - Step 5: Solve for x
x = 49,172,685,187.03/283,923.62 - Step 6: Final answer
x = 173,189.84
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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.