Finding the Fourth Proportional to 132,115.99, 198,194.66 and 43,349.31
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Solution
The fourth proportional to 132,115.99, 198,194.66 and 43,349.31 is: 65,030.74
Step by Step Solution
- Step 1: Write the proportion equation
132,115.99 : 198,194.66 = 43,349.31 : x - Step 2: Convert to fraction form
132,115.99/198,194.66 = 43,349.31/x - Step 3: Cross multiply
132,115.99x = 198,194.66 × 43,349.31 - Step 4: Simplify right side
132,115.99x = 8,591,600,548.96 - Step 5: Solve for x
x = 8,591,600,548.96/132,115.99 - Step 6: Final answer
x = 65,030.74
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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.