Finding the Fourth Proportional to 305,544.96, 421,645.70 and 169,571.00
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Solution
The fourth proportional to 305,544.96, 421,645.70 and 169,571.00 is: 234,004.46
Step by Step Solution
- Step 1: Write the proportion equation
305,544.96 : 421,645.70 = 169,571.00 : x - Step 2: Convert to fraction form
305,544.96/421,645.70 = 169,571.00/x - Step 3: Cross multiply
305,544.96x = 421,645.70 × 169,571.00 - Step 4: Simplify right side
305,544.96x = 71,498,884,472.74 - Step 5: Solve for x
x = 71,498,884,472.74/305,544.96 - Step 6: Final answer
x = 234,004.46
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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.