Finding the Fourth Proportional to 163,930.96, 226,222.50 and 92,311.84
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Solution
The fourth proportional to 163,930.96, 226,222.50 and 92,311.84 is: 127,389.09
Step by Step Solution
- Step 1: Write the proportion equation
163,930.96 : 226,222.50 = 92,311.84 : x - Step 2: Convert to fraction form
163,930.96/226,222.50 = 92,311.84/x - Step 3: Cross multiply
163,930.96x = 226,222.50 × 92,311.84 - Step 4: Simplify right side
163,930.96x = 20,883,015,224.40 - Step 5: Solve for x
x = 20,883,015,224.40/163,930.96 - Step 6: Final answer
x = 127,389.09
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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.