Finding the Fourth Proportional to 274,183.92, 378,358.11 and 151,668.99
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Solution
The fourth proportional to 274,183.92, 378,358.11 and 151,668.99 is: 209,294.52
Step by Step Solution
- Step 1: Write the proportion equation
274,183.92 : 378,358.11 = 151,668.99 : x - Step 2: Convert to fraction form
274,183.92/378,358.11 = 151,668.99/x - Step 3: Cross multiply
274,183.92x = 378,358.11 × 151,668.99 - Step 4: Simplify right side
274,183.92x = 57,385,192,402.01 - Step 5: Solve for x
x = 57,385,192,402.01/274,183.92 - Step 6: Final answer
x = 209,294.52
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.