Finding the Fourth Proportional to 146,868.36, 202,677.84 and 83,218.29
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Solution
The fourth proportional to 146,868.36, 202,677.84 and 83,218.29 is: 114,840.96
Step by Step Solution
- Step 1: Write the proportion equation
146,868.36 : 202,677.84 = 83,218.29 : x - Step 2: Convert to fraction form
146,868.36/202,677.84 = 83,218.29/x - Step 3: Cross multiply
146,868.36x = 202,677.84 × 83,218.29 - Step 4: Simplify right side
146,868.36x = 16,866,503,265.69 - Step 5: Solve for x
x = 16,866,503,265.69/146,868.36 - Step 6: Final answer
x = 114,840.96
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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.