Finding the Fourth Proportional to 253,609.76, 350,218.55 and 163,122.81
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Solution
The fourth proportional to 253,609.76, 350,218.55 and 163,122.81 is: 225,261.96
Step by Step Solution
- Step 1: Write the proportion equation
253,609.76 : 350,218.55 = 163,122.81 : x - Step 2: Convert to fraction form
253,609.76/350,218.55 = 163,122.81/x - Step 3: Cross multiply
253,609.76x = 350,218.55 × 163,122.81 - Step 4: Simplify right side
253,609.76x = 57,128,632,150.19 - Step 5: Solve for x
x = 57,128,632,150.19/253,609.76 - Step 6: Final answer
x = 225,261.96
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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.