Finding the Fourth Proportional to 253,859.70, 350,485.92 and 163,373.28
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Solution
The fourth proportional to 253,859.70, 350,485.92 and 163,373.28 is: 225,557.80
Step by Step Solution
- Step 1: Write the proportion equation
253,859.70 : 350,485.92 = 163,373.28 : x - Step 2: Convert to fraction form
253,859.70/350,485.92 = 163,373.28/x - Step 3: Cross multiply
253,859.70x = 350,485.92 × 163,373.28 - Step 4: Simplify right side
253,859.70x = 57,260,034,344.22 - Step 5: Solve for x
x = 57,260,034,344.22/253,859.70 - Step 6: Final answer
x = 225,557.80
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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.