Finding the Fourth Proportional to 283,864.64, 425,798.49 and 84,186.75
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Solution
The fourth proportional to 283,864.64, 425,798.49 and 84,186.75 is: 126,280.58
Step by Step Solution
- Step 1: Write the proportion equation
283,864.64 : 425,798.49 = 84,186.75 : x - Step 2: Convert to fraction form
283,864.64/425,798.49 = 84,186.75/x - Step 3: Cross multiply
283,864.64x = 425,798.49 × 84,186.75 - Step 4: Simplify right side
283,864.64x = 35,846,591,028.01 - Step 5: Solve for x
x = 35,846,591,028.01/283,864.64 - Step 6: Final answer
x = 126,280.58
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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.