Finding the Fourth Proportional to 198,134.02, 296,918.88 and 98,195.68
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Solution
The fourth proportional to 198,134.02, 296,918.88 and 98,195.68 is: 147,153.69
Step by Step Solution
- Step 1: Write the proportion equation
198,134.02 : 296,918.88 = 98,195.68 : x - Step 2: Convert to fraction form
198,134.02/296,918.88 = 98,195.68/x - Step 3: Cross multiply
198,134.02x = 296,918.88 × 98,195.68 - Step 4: Simplify right side
198,134.02x = 29,156,151,326.44 - Step 5: Solve for x
x = 29,156,151,326.44/198,134.02 - Step 6: Final answer
x = 147,153.69
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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.