Finding the Fourth Proportional to 253,771.13, 350,208.62 and 139,042.26
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Solution
The fourth proportional to 253,771.13, 350,208.62 and 139,042.26 is: 191,880.76
Step by Step Solution
- Step 1: Write the proportion equation
253,771.13 : 350,208.62 = 139,042.26 : x - Step 2: Convert to fraction form
253,771.13/350,208.62 = 139,042.26/x - Step 3: Cross multiply
253,771.13x = 350,208.62 × 139,042.26 - Step 4: Simplify right side
253,771.13x = 48,693,797,301.07 - Step 5: Solve for x
x = 48,693,797,301.07/253,771.13 - Step 6: Final answer
x = 191,880.76
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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.