Finding the Fourth Proportional to 269,194.70, 403,338.45 and 212,818.70
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Solution
The fourth proportional to 269,194.70, 403,338.45 and 212,818.70 is: 318,869.45
Step by Step Solution
- Step 1: Write the proportion equation
269,194.70 : 403,338.45 = 212,818.70 : x - Step 2: Convert to fraction form
269,194.70/403,338.45 = 212,818.70/x - Step 3: Cross multiply
269,194.70x = 403,338.45 × 212,818.70 - Step 4: Simplify right side
269,194.70x = 85,837,964,589.02 - Step 5: Solve for x
x = 85,837,964,589.02/269,194.70 - Step 6: Final answer
x = 318,869.45
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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.