Finding the Fourth Proportional to 283,660.62, 425,444.40 and 115,174.14
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Solution
The fourth proportional to 283,660.62, 425,444.40 and 115,174.14 is: 172,742.32
Step by Step Solution
- Step 1: Write the proportion equation
283,660.62 : 425,444.40 = 115,174.14 : x - Step 2: Convert to fraction form
283,660.62/425,444.40 = 115,174.14/x - Step 3: Cross multiply
283,660.62x = 425,444.40 × 115,174.14 - Step 4: Simplify right side
283,660.62x = 49,000,192,887.82 - Step 5: Solve for x
x = 49,000,192,887.82/283,660.62 - Step 6: Final answer
x = 172,742.32
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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.