Finding the Fourth Proportional to 194,517.12, 268,433.52 and 105,093.12
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Solution
The fourth proportional to 194,517.12, 268,433.52 and 105,093.12 is: 145,028.45
Step by Step Solution
- Step 1: Write the proportion equation
194,517.12 : 268,433.52 = 105,093.12 : x - Step 2: Convert to fraction form
194,517.12/268,433.52 = 105,093.12/x - Step 3: Cross multiply
194,517.12x = 268,433.52 × 105,093.12 - Step 4: Simplify right side
194,517.12x = 28,210,516,129.38 - Step 5: Solve for x
x = 28,210,516,129.38/194,517.12 - Step 6: Final answer
x = 145,028.45
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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.