Finding the Fourth Proportional to 395,299.13, 592,965.09 and 114,816.38
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Solution
The fourth proportional to 395,299.13, 592,965.09 and 114,816.38 is: 172,229.33
Step by Step Solution
- Step 1: Write the proportion equation
395,299.13 : 592,965.09 = 114,816.38 : x - Step 2: Convert to fraction form
395,299.13/592,965.09 = 114,816.38/x - Step 3: Cross multiply
395,299.13x = 592,965.09 × 114,816.38 - Step 4: Simplify right side
395,299.13x = 68,082,102,135.35 - Step 5: Solve for x
x = 68,082,102,135.35/395,299.13 - Step 6: Final answer
x = 172,229.33
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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.