Finding the Fourth Proportional to 146,273.81, 201,857.86 and 79,205.81
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Solution
The fourth proportional to 146,273.81, 201,857.86 and 79,205.81 is: 109,304.02
Step by Step Solution
- Step 1: Write the proportion equation
146,273.81 : 201,857.86 = 79,205.81 : x - Step 2: Convert to fraction form
146,273.81/201,857.86 = 79,205.81/x - Step 3: Cross multiply
146,273.81x = 201,857.86 × 79,205.81 - Step 4: Simplify right side
146,273.81x = 15,988,315,306.17 - Step 5: Solve for x
x = 15,988,315,306.17/146,273.81 - Step 6: Final answer
x = 109,304.02
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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.