Finding the Fourth Proportional to 77,226.40, 115,841.76 and 27,299.44
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Solution
The fourth proportional to 77,226.40, 115,841.76 and 27,299.44 is: 40,949.92
Step by Step Solution
- Step 1: Write the proportion equation
77,226.40 : 115,841.76 = 27,299.44 : x - Step 2: Convert to fraction form
77,226.40/115,841.76 = 27,299.44/x - Step 3: Cross multiply
77,226.40x = 115,841.76 × 27,299.44 - Step 4: Simplify right side
77,226.40x = 3,162,415,176.61 - Step 5: Solve for x
x = 3,162,415,176.61/77,226.40 - Step 6: Final answer
x = 40,949.92
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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.