Finding the Fourth Proportional to 305,284.71, 421,286.61 and 169,296.72
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Solution
The fourth proportional to 305,284.71, 421,286.61 and 169,296.72 is: 233,625.99
Step by Step Solution
- Step 1: Write the proportion equation
305,284.71 : 421,286.61 = 169,296.72 : x - Step 2: Convert to fraction form
305,284.71/421,286.61 = 169,296.72/x - Step 3: Cross multiply
305,284.71x = 421,286.61 × 169,296.72 - Step 4: Simplify right side
305,284.71x = 71,322,441,252.92 - Step 5: Solve for x
x = 71,322,441,252.92/305,284.71 - Step 6: Final answer
x = 233,625.99
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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.