Finding the Fourth Proportional to 189,444.15, 284,163.75 and 54,511.74
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Solution
The fourth proportional to 189,444.15, 284,163.75 and 54,511.74 is: 81,766.90
Step by Step Solution
- Step 1: Write the proportion equation
189,444.15 : 284,163.75 = 54,511.74 : x - Step 2: Convert to fraction form
189,444.15/284,163.75 = 54,511.74/x - Step 3: Cross multiply
189,444.15x = 284,163.75 × 54,511.74 - Step 4: Simplify right side
189,444.15x = 15,490,260,457.43 - Step 5: Solve for x
x = 15,490,260,457.43/189,444.15 - Step 6: Final answer
x = 81,766.90
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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.