Finding the Fourth Proportional to 299,546.46, 413,358.70 and 163,554.21
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Solution
The fourth proportional to 299,546.46, 413,358.70 and 163,554.21 is: 225,696.39
Step by Step Solution
- Step 1: Write the proportion equation
299,546.46 : 413,358.70 = 163,554.21 : x - Step 2: Convert to fraction form
299,546.46/413,358.70 = 163,554.21/x - Step 3: Cross multiply
299,546.46x = 413,358.70 × 163,554.21 - Step 4: Simplify right side
299,546.46x = 67,606,555,625.13 - Step 5: Solve for x
x = 67,606,555,625.13/299,546.46 - Step 6: Final answer
x = 225,696.39
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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.