Finding the Fourth Proportional to 147,218.09, 203,161.00 and 80,150.09
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Solution
The fourth proportional to 147,218.09, 203,161.00 and 80,150.09 is: 110,607.15
Step by Step Solution
- Step 1: Write the proportion equation
147,218.09 : 203,161.00 = 80,150.09 : x - Step 2: Convert to fraction form
147,218.09/203,161.00 = 80,150.09/x - Step 3: Cross multiply
147,218.09x = 203,161.00 × 80,150.09 - Step 4: Simplify right side
147,218.09x = 16,283,373,042.58 - Step 5: Solve for x
x = 16,283,373,042.58/147,218.09 - Step 6: Final answer
x = 110,607.15
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.