Finding the Fourth Proportional to 406,529.36, 561,028.49 and 225,241.23
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Solution
The fourth proportional to 406,529.36, 561,028.49 and 225,241.23 is: 310,842.86
Step by Step Solution
- Step 1: Write the proportion equation
406,529.36 : 561,028.49 = 225,241.23 : x - Step 2: Convert to fraction form
406,529.36/561,028.49 = 225,241.23/x - Step 3: Cross multiply
406,529.36x = 561,028.49 × 225,241.23 - Step 4: Simplify right side
406,529.36x = 126,366,747,152.64 - Step 5: Solve for x
x = 126,366,747,152.64/406,529.36 - Step 6: Final answer
x = 310,842.86
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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.