Finding the Fourth Proportional to 213,217.22, 319,875.04 and 113,473.62
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Solution
The fourth proportional to 213,217.22, 319,875.04 and 113,473.62 is: 170,236.62
Step by Step Solution
- Step 1: Write the proportion equation
213,217.22 : 319,875.04 = 113,473.62 : x - Step 2: Convert to fraction form
213,217.22/319,875.04 = 113,473.62/x - Step 3: Cross multiply
213,217.22x = 319,875.04 × 113,473.62 - Step 4: Simplify right side
213,217.22x = 36,297,378,878.29 - Step 5: Solve for x
x = 36,297,378,878.29/213,217.22 - Step 6: Final answer
x = 170,236.62
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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.