Finding the Fourth Proportional to 299,678.92, 449,695.70 and 110,272.28
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Solution
The fourth proportional to 299,678.92, 449,695.70 and 110,272.28 is: 165,473.67
Step by Step Solution
- Step 1: Write the proportion equation
299,678.92 : 449,695.70 = 110,272.28 : x - Step 2: Convert to fraction form
299,678.92/449,695.70 = 110,272.28/x - Step 3: Cross multiply
299,678.92x = 449,695.70 × 110,272.28 - Step 4: Simplify right side
299,678.92x = 49,588,970,145.20 - Step 5: Solve for x
x = 49,588,970,145.20/299,678.92 - Step 6: Final answer
x = 165,473.67
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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.