Finding the Fourth Proportional to 305,606.48, 421,716.93 and 169,633.80
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Solution
The fourth proportional to 305,606.48, 421,716.93 and 169,633.80 is: 234,083.54
Step by Step Solution
- Step 1: Write the proportion equation
305,606.48 : 421,716.93 = 169,633.80 : x - Step 2: Convert to fraction form
305,606.48/421,716.93 = 169,633.80/x - Step 3: Cross multiply
305,606.48x = 421,716.93 × 169,633.80 - Step 4: Simplify right side
305,606.48x = 71,537,445,360.23 - Step 5: Solve for x
x = 71,537,445,360.23/305,606.48 - Step 6: Final answer
x = 234,083.54
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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.