Finding the Fourth Proportional to 198,089.80, 296,979.18 and 135,570.76
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Solution
The fourth proportional to 198,089.80, 296,979.18 and 135,570.76 is: 203,249.70
Step by Step Solution
- Step 1: Write the proportion equation
198,089.80 : 296,979.18 = 135,570.76 : x - Step 2: Convert to fraction form
198,089.80/296,979.18 = 135,570.76/x - Step 3: Cross multiply
198,089.80x = 296,979.18 × 135,570.76 - Step 4: Simplify right side
198,089.80x = 40,261,693,136.78 - Step 5: Solve for x
x = 40,261,693,136.78/198,089.80 - Step 6: Final answer
x = 203,249.70
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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.