Finding the Fourth Proportional to 406,462.60, 560,912.34 and 225,174.16
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Solution
The fourth proportional to 406,462.60, 560,912.34 and 225,174.16 is: 310,736.99
Step by Step Solution
- Step 1: Write the proportion equation
406,462.60 : 560,912.34 = 225,174.16 : x - Step 2: Convert to fraction form
406,462.60/560,912.34 = 225,174.16/x - Step 3: Cross multiply
406,462.60x = 560,912.34 × 225,174.16 - Step 4: Simplify right side
406,462.60x = 126,302,964,993.13 - Step 5: Solve for x
x = 126,302,964,993.13/406,462.60 - Step 6: Final answer
x = 310,736.99
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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.