Finding the Fourth Proportional to 363,882.66, 545,220.57 and 221,296.65
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Solution
The fourth proportional to 363,882.66, 545,220.57 and 221,296.65 is: 331,578.00
Step by Step Solution
- Step 1: Write the proportion equation
363,882.66 : 545,220.57 = 221,296.65 : x - Step 2: Convert to fraction form
363,882.66/545,220.57 = 221,296.65/x - Step 3: Cross multiply
363,882.66x = 545,220.57 × 221,296.65 - Step 4: Simplify right side
363,882.66x = 120,655,485,652.09 - Step 5: Solve for x
x = 120,655,485,652.09/363,882.66 - Step 6: Final answer
x = 331,578.00
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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.