Finding the Fourth Proportional to 198,210.93, 297,232.56 and 79,850.49
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Solution
The fourth proportional to 198,210.93, 297,232.56 and 79,850.49 is: 119,741.96
Step by Step Solution
- Step 1: Write the proportion equation
198,210.93 : 297,232.56 = 79,850.49 : x - Step 2: Convert to fraction form
198,210.93/297,232.56 = 79,850.49/x - Step 3: Cross multiply
198,210.93x = 297,232.56 × 79,850.49 - Step 4: Simplify right side
198,210.93x = 23,734,165,559.95 - Step 5: Solve for x
x = 23,734,165,559.95/198,210.93 - Step 6: Final answer
x = 119,741.96
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1.5x scale
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.