Finding the Fourth Proportional to 423,706.35, 635,559.30 and 108,163.14
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Solution
The fourth proportional to 423,706.35, 635,559.30 and 108,163.14 is: 162,244.65
Step by Step Solution
- Step 1: Write the proportion equation
423,706.35 : 635,559.30 = 108,163.14 : x - Step 2: Convert to fraction form
423,706.35/635,559.30 = 108,163.14/x - Step 3: Cross multiply
423,706.35x = 635,559.30 × 108,163.14 - Step 4: Simplify right side
423,706.35x = 68,744,089,544.20 - Step 5: Solve for x
x = 68,744,089,544.20/423,706.35 - Step 6: Final answer
x = 162,244.65
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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.