Finding the Fourth Proportional to 146,824.20, 202,629.06 and 83,177.64
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Solution
The fourth proportional to 146,824.20, 202,629.06 and 83,177.64 is: 114,791.75
Step by Step Solution
- Step 1: Write the proportion equation
146,824.20 : 202,629.06 = 83,177.64 : x - Step 2: Convert to fraction form
146,824.20/202,629.06 = 83,177.64/x - Step 3: Cross multiply
146,824.20x = 202,629.06 × 83,177.64 - Step 4: Simplify right side
146,824.20x = 16,854,207,006.22 - Step 5: Solve for x
x = 16,854,207,006.22/146,824.20 - Step 6: Final answer
x = 114,791.75
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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.