Finding the Fourth Proportional to 198,658.96, 297,612.92 and 153,757.14
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Solution
The fourth proportional to 198,658.96, 297,612.92 and 153,757.14 is: 230,345.07
Step by Step Solution
- Step 1: Write the proportion equation
198,658.96 : 297,612.92 = 153,757.14 : x - Step 2: Convert to fraction form
198,658.96/297,612.92 = 153,757.14/x - Step 3: Cross multiply
198,658.96x = 297,612.92 × 153,757.14 - Step 4: Simplify right side
198,658.96x = 45,760,111,406.25 - Step 5: Solve for x
x = 45,760,111,406.25/198,658.96 - Step 6: Final answer
x = 230,345.07
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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.