Finding the Fourth Proportional to 168,028.99, 252,043.48 and 49,691.11
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Solution
The fourth proportional to 168,028.99, 252,043.48 and 49,691.11 is: 74,536.66
Step by Step Solution
- Step 1: Write the proportion equation
168,028.99 : 252,043.48 = 49,691.11 : x - Step 2: Convert to fraction form
168,028.99/252,043.48 = 49,691.11/x - Step 3: Cross multiply
168,028.99x = 252,043.48 × 49,691.11 - Step 4: Simplify right side
168,028.99x = 12,524,320,289.46 - Step 5: Solve for x
x = 12,524,320,289.46/168,028.99 - Step 6: Final answer
x = 74,536.66
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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.