Finding the Fourth Proportional to 283,843.05, 425,691.99 and 84,116.81
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Solution
The fourth proportional to 283,843.05, 425,691.99 and 84,116.81 is: 126,153.70
Step by Step Solution
- Step 1: Write the proportion equation
283,843.05 : 425,691.99 = 84,116.81 : x - Step 2: Convert to fraction form
283,843.05/425,691.99 = 84,116.81/x - Step 3: Cross multiply
283,843.05x = 425,691.99 × 84,116.81 - Step 4: Simplify right side
283,843.05x = 35,807,850,112.89 - Step 5: Solve for x
x = 35,807,850,112.89/283,843.05 - Step 6: Final answer
x = 126,153.70
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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.