Finding the Fourth Proportional to 305,554.26, 421,652.39 and 169,593.94
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Solution
The fourth proportional to 305,554.26, 421,652.39 and 169,593.94 is: 234,032.70
Step by Step Solution
- Step 1: Write the proportion equation
305,554.26 : 421,652.39 = 169,593.94 : x - Step 2: Convert to fraction form
305,554.26/421,652.39 = 169,593.94/x - Step 3: Cross multiply
305,554.26x = 421,652.39 × 169,593.94 - Step 4: Simplify right side
305,554.26x = 71,509,689,809.61 - Step 5: Solve for x
x = 71,509,689,809.61/305,554.26 - Step 6: Final answer
x = 234,032.70
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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.