Finding the Fourth Proportional to 194,640.99, 268,604.96 and 105,216.99
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Solution
The fourth proportional to 194,640.99, 268,604.96 and 105,216.99 is: 145,199.66
Step by Step Solution
- Step 1: Write the proportion equation
194,640.99 : 268,604.96 = 105,216.99 : x - Step 2: Convert to fraction form
194,640.99/268,604.96 = 105,216.99/x - Step 3: Cross multiply
194,640.99x = 268,604.96 × 105,216.99 - Step 4: Simplify right side
194,640.99x = 28,261,805,390.27 - Step 5: Solve for x
x = 28,261,805,390.27/194,640.99 - Step 6: Final answer
x = 145,199.66
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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.