Finding the Fourth Proportional to 406,824.44, 561,450.87 and 225,593.19
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Solution
The fourth proportional to 406,824.44, 561,450.87 and 225,593.19 is: 311,336.98
Step by Step Solution
- Step 1: Write the proportion equation
406,824.44 : 561,450.87 = 225,593.19 : x - Step 2: Convert to fraction form
406,824.44/561,450.87 = 225,593.19/x - Step 3: Cross multiply
406,824.44x = 561,450.87 × 225,593.19 - Step 4: Simplify right side
406,824.44x = 126,659,492,791.58 - Step 5: Solve for x
x = 126,659,492,791.58/406,824.44 - Step 6: Final answer
x = 311,336.98
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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.