Finding the Fourth Proportional to 198,592.04, 297,720.39 and 86,187.26
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Solution
The fourth proportional to 198,592.04, 297,720.39 and 86,187.26 is: 129,208.12
Step by Step Solution
- Step 1: Write the proportion equation
198,592.04 : 297,720.39 = 86,187.26 : x - Step 2: Convert to fraction form
198,592.04/297,720.39 = 86,187.26/x - Step 3: Cross multiply
198,592.04x = 297,720.39 × 86,187.26 - Step 4: Simplify right side
198,592.04x = 25,659,704,660.23 - Step 5: Solve for x
x = 25,659,704,660.23/198,592.04 - Step 6: Final answer
x = 129,208.12
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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.