Finding the Fourth Proportional to 253,858.76, 350,484.36 and 163,371.97
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Solution
The fourth proportional to 253,858.76, 350,484.36 and 163,371.97 is: 225,555.82
Step by Step Solution
- Step 1: Write the proportion equation
253,858.76 : 350,484.36 = 163,371.97 : x - Step 2: Convert to fraction form
253,858.76/350,484.36 = 163,371.97/x - Step 3: Cross multiply
253,858.76x = 350,484.36 × 163,371.97 - Step 4: Simplify right side
253,858.76x = 57,259,318,594.97 - Step 5: Solve for x
x = 57,259,318,594.97/253,858.76 - Step 6: Final answer
x = 225,555.82
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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.