Finding the Fourth Proportional to 108,629.70, 162,847.35 and 71,207.70
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Solution
The fourth proportional to 108,629.70, 162,847.35 and 71,207.70 is: 106,747.83
Step by Step Solution
- Step 1: Write the proportion equation
108,629.70 : 162,847.35 = 71,207.70 : x - Step 2: Convert to fraction form
108,629.70/162,847.35 = 71,207.70/x - Step 3: Cross multiply
108,629.70x = 162,847.35 × 71,207.70 - Step 4: Simplify right side
108,629.70x = 11,595,985,244.60 - Step 5: Solve for x
x = 11,595,985,244.60/108,629.70 - Step 6: Final answer
x = 106,747.83
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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.