Finding the Fourth Proportional to 252,989.05, 379,485.20 and 101,198.81
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Solution
The fourth proportional to 252,989.05, 379,485.20 and 101,198.81 is: 151,798.86
Step by Step Solution
- Step 1: Write the proportion equation
252,989.05 : 379,485.20 = 101,198.81 : x - Step 2: Convert to fraction form
252,989.05/379,485.20 = 101,198.81/x - Step 3: Cross multiply
252,989.05x = 379,485.20 × 101,198.81 - Step 4: Simplify right side
252,989.05x = 38,403,449,008.18 - Step 5: Solve for x
x = 38,403,449,008.18/252,989.05 - Step 6: Final answer
x = 151,798.86
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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.