Finding the Fourth Proportional to 132,042.06, 198,076.98 and 38,548.08
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Solution
The fourth proportional to 132,042.06, 198,076.98 and 38,548.08 is: 57,826.18
Step by Step Solution
- Step 1: Write the proportion equation
132,042.06 : 198,076.98 = 38,548.08 : x - Step 2: Convert to fraction form
132,042.06/198,076.98 = 38,548.08/x - Step 3: Cross multiply
132,042.06x = 198,076.98 × 38,548.08 - Step 4: Simplify right side
132,042.06x = 7,635,487,271.20 - Step 5: Solve for x
x = 7,635,487,271.20/132,042.06 - Step 6: Final answer
x = 57,826.18
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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.