Finding the Fourth Proportional to 198,006.12, 297,004.26 and 57,765.96
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Solution
The fourth proportional to 198,006.12, 297,004.26 and 57,765.96 is: 86,647.50
Step by Step Solution
- Step 1: Write the proportion equation
198,006.12 : 297,004.26 = 57,765.96 : x - Step 2: Convert to fraction form
198,006.12/297,004.26 = 57,765.96/x - Step 3: Cross multiply
198,006.12x = 297,004.26 × 57,765.96 - Step 4: Simplify right side
198,006.12x = 17,156,736,202.99 - Step 5: Solve for x
x = 17,156,736,202.99/198,006.12 - Step 6: Final answer
x = 86,647.50
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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.