Finding the Fourth Proportional to 406,362.12, 560,755.06 and 225,063.19
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Solution
The fourth proportional to 406,362.12, 560,755.06 and 225,063.19 is: 310,573.54
Step by Step Solution
- Step 1: Write the proportion equation
406,362.12 : 560,755.06 = 225,063.19 : x - Step 2: Convert to fraction form
406,362.12/560,755.06 = 225,063.19/x - Step 3: Cross multiply
406,362.12x = 560,755.06 × 225,063.19 - Step 4: Simplify right side
406,362.12x = 126,205,322,612.24 - Step 5: Solve for x
x = 126,205,322,612.24/406,362.12 - Step 6: Final answer
x = 310,573.54
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1.5x scale
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.