Finding the Fourth Proportional to 198,496.43, 297,577.26 and 86,091.99
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Solution
The fourth proportional to 198,496.43, 297,577.26 and 86,091.99 is: 129,065.38
Step by Step Solution
- Step 1: Write the proportion equation
198,496.43 : 297,577.26 = 86,091.99 : x - Step 2: Convert to fraction form
198,496.43/297,577.26 = 86,091.99/x - Step 3: Cross multiply
198,496.43x = 297,577.26 × 86,091.99 - Step 4: Simplify right side
198,496.43x = 25,619,018,169.30 - Step 5: Solve for x
x = 25,619,018,169.30/198,496.43 - Step 6: Final answer
x = 129,065.38
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.