Finding the Fourth Proportional to 201,891.40, 302,472.60 and 117,582.55
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Solution
The fourth proportional to 201,891.40, 302,472.60 and 117,582.55 is: 176,161.54
Step by Step Solution
- Step 1: Write the proportion equation
201,891.40 : 302,472.60 = 117,582.55 : x - Step 2: Convert to fraction form
201,891.40/302,472.60 = 117,582.55/x - Step 3: Cross multiply
201,891.40x = 302,472.60 × 117,582.55 - Step 4: Simplify right side
201,891.40x = 35,565,499,613.13 - Step 5: Solve for x
x = 35,565,499,613.13/201,891.40 - Step 6: Final answer
x = 176,161.54
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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.