Finding the Fourth Proportional to 215,694.28, 323,542.22 and 65,933.99
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Solution
The fourth proportional to 215,694.28, 323,542.22 and 65,933.99 is: 98,901.23
Step by Step Solution
- Step 1: Write the proportion equation
215,694.28 : 323,542.22 = 65,933.99 : x - Step 2: Convert to fraction form
215,694.28/323,542.22 = 65,933.99/x - Step 3: Cross multiply
215,694.28x = 323,542.22 × 65,933.99 - Step 4: Simplify right side
215,694.28x = 21,332,429,498.06 - Step 5: Solve for x
x = 21,332,429,498.06/215,694.28 - Step 6: Final answer
x = 98,901.23
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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.