Finding the Fourth Proportional to 75,486.68, 113,230.50 and 22,178.43
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Solution
The fourth proportional to 75,486.68, 113,230.50 and 22,178.43 is: 33,267.79
Step by Step Solution
- Step 1: Write the proportion equation
75,486.68 : 113,230.50 = 22,178.43 : x - Step 2: Convert to fraction form
75,486.68/113,230.50 = 22,178.43/x - Step 3: Cross multiply
75,486.68x = 113,230.50 × 22,178.43 - Step 4: Simplify right side
75,486.68x = 2,511,275,015.78 - Step 5: Solve for x
x = 2,511,275,015.78/75,486.68 - Step 6: Final answer
x = 33,267.79
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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.