Finding the Fourth Proportional to 299,242.50, 412,963.29 and 165,115.14
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Solution
The fourth proportional to 299,242.50, 412,963.29 and 165,115.14 is: 227,863.66
Step by Step Solution
- Step 1: Write the proportion equation
299,242.50 : 412,963.29 = 165,115.14 : x - Step 2: Convert to fraction form
299,242.50/412,963.29 = 165,115.14/x - Step 3: Cross multiply
299,242.50x = 412,963.29 × 165,115.14 - Step 4: Simplify right side
299,242.50x = 68,186,491,443.21 - Step 5: Solve for x
x = 68,186,491,443.21/299,242.50 - Step 6: Final answer
x = 227,863.66
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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.