Finding the Fourth Proportional to 426,167.26, 639,252.10 and 110,626.90
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Solution
The fourth proportional to 426,167.26, 639,252.10 and 110,626.90 is: 165,940.66
Step by Step Solution
- Step 1: Write the proportion equation
426,167.26 : 639,252.10 = 110,626.90 : x - Step 2: Convert to fraction form
426,167.26/639,252.10 = 110,626.90/x - Step 3: Cross multiply
426,167.26x = 639,252.10 × 110,626.90 - Step 4: Simplify right side
426,167.26x = 70,718,478,141.49 - Step 5: Solve for x
x = 70,718,478,141.49/426,167.26 - Step 6: Final answer
x = 165,940.66
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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.