Finding the Fourth Proportional to 227,042.68, 313,318.80 and 131,604.68
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Solution
The fourth proportional to 227,042.68, 313,318.80 and 131,604.68 is: 181,614.40
Step by Step Solution
- Step 1: Write the proportion equation
227,042.68 : 313,318.80 = 131,604.68 : x - Step 2: Convert to fraction form
227,042.68/313,318.80 = 131,604.68/x - Step 3: Cross multiply
227,042.68x = 313,318.80 × 131,604.68 - Step 4: Simplify right side
227,042.68x = 41,234,220,411.98 - Step 5: Solve for x
x = 41,234,220,411.98/227,042.68 - Step 6: Final answer
x = 181,614.40
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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.