Finding the Fourth Proportional to 198,539.29, 297,864.53 and 80,293.67
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Solution
The fourth proportional to 198,539.29, 297,864.53 and 80,293.67 is: 120,462.99
Step by Step Solution
- Step 1: Write the proportion equation
198,539.29 : 297,864.53 = 80,293.67 : x - Step 2: Convert to fraction form
198,539.29/297,864.53 = 80,293.67/x - Step 3: Cross multiply
198,539.29x = 297,864.53 × 80,293.67 - Step 4: Simplify right side
198,539.29x = 23,916,636,276.53 - Step 5: Solve for x
x = 23,916,636,276.53/198,539.29 - Step 6: Final answer
x = 120,462.99
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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.