Finding the Fourth Proportional to 305,889.24, 422,126.94 and 169,935.91
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Solution
The fourth proportional to 305,889.24, 422,126.94 and 169,935.91 is: 234,511.43
Step by Step Solution
- Step 1: Write the proportion equation
305,889.24 : 422,126.94 = 169,935.91 : x - Step 2: Convert to fraction form
305,889.24/422,126.94 = 169,935.91/x - Step 3: Cross multiply
305,889.24x = 422,126.94 × 169,935.91 - Step 4: Simplify right side
305,889.24x = 71,734,524,228.27 - Step 5: Solve for x
x = 71,734,524,228.27/305,889.24 - Step 6: Final answer
x = 234,511.43
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.