Finding the Fourth Proportional to 305,754.08, 421,926.48 and 169,796.68
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Solution
The fourth proportional to 305,754.08, 421,926.48 and 169,796.68 is: 234,311.56
Step by Step Solution
- Step 1: Write the proportion equation
305,754.08 : 421,926.48 = 169,796.68 : x - Step 2: Convert to fraction form
305,754.08/421,926.48 = 169,796.68/x - Step 3: Cross multiply
305,754.08x = 421,926.48 × 169,796.68 - Step 4: Simplify right side
305,754.08x = 71,641,715,508.09 - Step 5: Solve for x
x = 71,641,715,508.09/305,754.08 - Step 6: Final answer
x = 234,311.56
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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.