Finding the Fourth Proportional to 268,884.27, 403,575.78 and 135,857.95
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Solution
The fourth proportional to 268,884.27, 403,575.78 and 135,857.95 is: 203,912.92
Step by Step Solution
- Step 1: Write the proportion equation
268,884.27 : 403,575.78 = 135,857.95 : x - Step 2: Convert to fraction form
268,884.27/403,575.78 = 135,857.95/x - Step 3: Cross multiply
268,884.27x = 403,575.78 × 135,857.95 - Step 4: Simplify right side
268,884.27x = 54,828,976,462.22 - Step 5: Solve for x
x = 54,828,976,462.22/268,884.27 - Step 6: Final answer
x = 203,912.92
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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.