Finding the Fourth Proportional to 146,288.38, 201,877.86 and 79,220.38
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Solution
The fourth proportional to 146,288.38, 201,877.86 and 79,220.38 is: 109,324.07
Step by Step Solution
- Step 1: Write the proportion equation
146,288.38 : 201,877.86 = 79,220.38 : x - Step 2: Convert to fraction form
146,288.38/201,877.86 = 79,220.38/x - Step 3: Cross multiply
146,288.38x = 201,877.86 × 79,220.38 - Step 4: Simplify right side
146,288.38x = 15,992,840,782.79 - Step 5: Solve for x
x = 15,992,840,782.79/146,288.38 - Step 6: Final answer
x = 109,324.07
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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.