Finding the Fourth Proportional to 198,197.26, 297,341.28 and 85,896.31
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Solution
The fourth proportional to 198,197.26, 297,341.28 and 85,896.31 is: 128,864.14
Step by Step Solution
- Step 1: Write the proportion equation
198,197.26 : 297,341.28 = 85,896.31 : x - Step 2: Convert to fraction form
198,197.26/297,341.28 = 85,896.31/x - Step 3: Cross multiply
198,197.26x = 297,341.28 × 85,896.31 - Step 4: Simplify right side
198,197.26x = 25,540,518,762.68 - Step 5: Solve for x
x = 25,540,518,762.68/198,197.26 - Step 6: Final answer
x = 128,864.14
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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.