Finding the Fourth Proportional to 194,641.24, 268,604.44 and 109,757.68
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Solution
The fourth proportional to 194,641.24, 268,604.44 and 109,757.68 is: 151,465.33
Step by Step Solution
- Step 1: Write the proportion equation
194,641.24 : 268,604.44 = 109,757.68 : x - Step 2: Convert to fraction form
194,641.24/268,604.44 = 109,757.68/x - Step 3: Cross multiply
194,641.24x = 268,604.44 × 109,757.68 - Step 4: Simplify right side
194,641.24x = 29,481,400,172.10 - Step 5: Solve for x
x = 29,481,400,172.10/194,641.24 - Step 6: Final answer
x = 151,465.33
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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.