Finding the Fourth Proportional to 406,528.36, 561,027.11 and 225,240.23
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Solution
The fourth proportional to 406,528.36, 561,027.11 and 225,240.23 is: 310,841.48
Step by Step Solution
- Step 1: Write the proportion equation
406,528.36 : 561,027.11 = 225,240.23 : x - Step 2: Convert to fraction form
406,528.36/561,027.11 = 225,240.23/x - Step 3: Cross multiply
406,528.36x = 561,027.11 × 225,240.23 - Step 4: Simplify right side
406,528.36x = 126,365,875,569.00 - Step 5: Solve for x
x = 126,365,875,569.00/406,528.36 - Step 6: Final answer
x = 310,841.48
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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.