Finding the Fourth Proportional to 189,476.01, 284,243.22 and 77,163.99
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Solution
The fourth proportional to 189,476.01, 284,243.22 and 77,163.99 is: 115,757.88
Step by Step Solution
- Step 1: Write the proportion equation
189,476.01 : 284,243.22 = 77,163.99 : x - Step 2: Convert to fraction form
189,476.01/284,243.22 = 77,163.99/x - Step 3: Cross multiply
189,476.01x = 284,243.22 × 77,163.99 - Step 4: Simplify right side
189,476.01x = 21,933,340,985.65 - Step 5: Solve for x
x = 21,933,340,985.65/189,476.01 - Step 6: Final answer
x = 115,757.88
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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.