Finding the Fourth Proportional to 163,880.40, 226,145.28 and 92,257.56
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Solution
The fourth proportional to 163,880.40, 226,145.28 and 92,257.56 is: 127,309.99
Step by Step Solution
- Step 1: Write the proportion equation
163,880.40 : 226,145.28 = 92,257.56 : x - Step 2: Convert to fraction form
163,880.40/226,145.28 = 92,257.56/x - Step 3: Cross multiply
163,880.40x = 226,145.28 × 92,257.56 - Step 4: Simplify right side
163,880.40x = 20,863,611,738.32 - Step 5: Solve for x
x = 20,863,611,738.32/163,880.40 - Step 6: Final answer
x = 127,309.99
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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.