Finding the Fourth Proportional to 86,226.93, 129,184.74 and 36,217.53
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Solution
The fourth proportional to 86,226.93, 129,184.74 and 36,217.53 is: 54,260.92
Step by Step Solution
- Step 1: Write the proportion equation
86,226.93 : 129,184.74 = 36,217.53 : x - Step 2: Convert to fraction form
86,226.93/129,184.74 = 36,217.53/x - Step 3: Cross multiply
86,226.93x = 129,184.74 × 36,217.53 - Step 4: Simplify right side
86,226.93x = 4,678,752,196.49 - Step 5: Solve for x
x = 4,678,752,196.49/86,226.93 - Step 6: Final answer
x = 54,260.92
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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.