Finding the Fourth Proportional to 201,891.10, 302,508.60 and 173,678.80
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Solution
The fourth proportional to 201,891.10, 302,508.60 and 173,678.80 is: 260,235.99
Step by Step Solution
- Step 1: Write the proportion equation
201,891.10 : 302,508.60 = 173,678.80 : x - Step 2: Convert to fraction form
201,891.10/302,508.60 = 173,678.80/x - Step 3: Cross multiply
201,891.10x = 302,508.60 × 173,678.80 - Step 4: Simplify right side
201,891.10x = 52,539,330,637.68 - Step 5: Solve for x
x = 52,539,330,637.68/201,891.10 - Step 6: Final answer
x = 260,235.99
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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.