Finding the Fourth Proportional to 283,761.57, 425,643.90 and 84,083.69
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Solution
The fourth proportional to 283,761.57, 425,643.90 and 84,083.69 is: 126,125.99
Step by Step Solution
- Step 1: Write the proportion equation
283,761.57 : 425,643.90 = 84,083.69 : x - Step 2: Convert to fraction form
283,761.57/425,643.90 = 84,083.69/x - Step 3: Cross multiply
283,761.57x = 425,643.90 × 84,083.69 - Step 4: Simplify right side
283,761.57x = 35,789,710,486.79 - Step 5: Solve for x
x = 35,789,710,486.79/283,761.57 - Step 6: Final answer
x = 126,125.99
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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.