Finding the Fourth Proportional to 132,346.19, 198,519.29 and 48,090.66
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Solution
The fourth proportional to 132,346.19, 198,519.29 and 48,090.66 is: 72,135.99
Step by Step Solution
- Step 1: Write the proportion equation
132,346.19 : 198,519.29 = 48,090.66 : x - Step 2: Convert to fraction form
132,346.19/198,519.29 = 48,090.66/x - Step 3: Cross multiply
132,346.19x = 198,519.29 × 48,090.66 - Step 4: Simplify right side
132,346.19x = 9,546,923,438.38 - Step 5: Solve for x
x = 9,546,923,438.38/132,346.19 - Step 6: Final answer
x = 72,135.99
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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.