Finding the Fourth Proportional to 305,555.26, 421,653.76 and 169,594.94
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Solution
The fourth proportional to 305,555.26, 421,653.76 and 169,594.94 is: 234,034.08
Step by Step Solution
- Step 1: Write the proportion equation
305,555.26 : 421,653.76 = 169,594.94 : x - Step 2: Convert to fraction form
305,555.26/421,653.76 = 169,594.94/x - Step 3: Cross multiply
305,555.26x = 421,653.76 × 169,594.94 - Step 4: Simplify right side
305,555.26x = 71,510,344,127.97 - Step 5: Solve for x
x = 71,510,344,127.97/305,555.26 - Step 6: Final answer
x = 234,034.08
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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.