Finding the Fourth Proportional to 253,735.36, 350,129.28 and 140,536.96
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Solution
The fourth proportional to 253,735.36, 350,129.28 and 140,536.96 is: 193,926.87
Step by Step Solution
- Step 1: Write the proportion equation
253,735.36 : 350,129.28 = 140,536.96 : x - Step 2: Convert to fraction form
253,735.36/350,129.28 = 140,536.96/x - Step 3: Cross multiply
253,735.36x = 350,129.28 × 140,536.96 - Step 4: Simplify right side
253,735.36x = 49,206,104,618.19 - Step 5: Solve for x
x = 49,206,104,618.19/253,735.36 - Step 6: Final answer
x = 193,926.87
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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.