Finding the Fourth Proportional to 146,872.28, 202,675.80 and 83,208.68
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Solution
The fourth proportional to 146,872.28, 202,675.80 and 83,208.68 is: 114,823.48
Step by Step Solution
- Step 1: Write the proportion equation
146,872.28 : 202,675.80 = 83,208.68 : x - Step 2: Convert to fraction form
146,872.28/202,675.80 = 83,208.68/x - Step 3: Cross multiply
146,872.28x = 202,675.80 × 83,208.68 - Step 4: Simplify right side
146,872.28x = 16,864,385,785.94 - Step 5: Solve for x
x = 16,864,385,785.94/146,872.28 - Step 6: Final answer
x = 114,823.48
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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.