Finding the Fourth Proportional to 227,543.75, 313,893.11 and 141,470.09
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Solution
The fourth proportional to 227,543.75, 313,893.11 and 141,470.09 is: 195,155.81
Step by Step Solution
- Step 1: Write the proportion equation
227,543.75 : 313,893.11 = 141,470.09 : x - Step 2: Convert to fraction form
227,543.75/313,893.11 = 141,470.09/x - Step 3: Cross multiply
227,543.75x = 313,893.11 × 141,470.09 - Step 4: Simplify right side
227,543.75x = 44,406,484,245.26 - Step 5: Solve for x
x = 44,406,484,245.26/227,543.75 - Step 6: Final answer
x = 195,155.81
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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.