Finding the Fourth Proportional to 132,043.06, 198,078.48 and 38,549.08
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Solution
The fourth proportional to 132,043.06, 198,078.48 and 38,549.08 is: 57,827.68
Step by Step Solution
- Step 1: Write the proportion equation
132,043.06 : 198,078.48 = 38,549.08 : x - Step 2: Convert to fraction form
132,043.06/198,078.48 = 38,549.08/x - Step 3: Cross multiply
132,043.06x = 198,078.48 × 38,549.08 - Step 4: Simplify right side
132,043.06x = 7,635,743,171.80 - Step 5: Solve for x
x = 7,635,743,171.80/132,043.06 - Step 6: Final answer
x = 57,827.68
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.