Finding the Fourth Proportional to 379,102.62, 568,642.99 and 154,407.50
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Solution
The fourth proportional to 379,102.62, 568,642.99 and 154,407.50 is: 231,606.79
Step by Step Solution
- Step 1: Write the proportion equation
379,102.62 : 568,642.99 = 154,407.50 : x - Step 2: Convert to fraction form
379,102.62/568,642.99 = 154,407.50/x - Step 3: Cross multiply
379,102.62x = 568,642.99 × 154,407.50 - Step 4: Simplify right side
379,102.62x = 87,802,742,478.43 - Step 5: Solve for x
x = 87,802,742,478.43/379,102.62 - Step 6: Final answer
x = 231,606.79
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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.