Finding the Fourth Proportional to 395,556.82, 545,857.17 and 232,210.70
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Solution
The fourth proportional to 395,556.82, 545,857.17 and 232,210.70 is: 320,444.17
Step by Step Solution
- Step 1: Write the proportion equation
395,556.82 : 545,857.17 = 232,210.70 : x - Step 2: Convert to fraction form
395,556.82/545,857.17 = 232,210.70/x - Step 3: Cross multiply
395,556.82x = 545,857.17 × 232,210.70 - Step 4: Simplify right side
395,556.82x = 126,753,877,063.05 - Step 5: Solve for x
x = 126,753,877,063.05/395,556.82 - Step 6: Final answer
x = 320,444.17
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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.