Finding the Fourth Proportional to 103,475.08, 155,213.70 and 82,829.80
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Solution
The fourth proportional to 103,475.08, 155,213.70 and 82,829.80 is: 124,245.56
Step by Step Solution
- Step 1: Write the proportion equation
103,475.08 : 155,213.70 = 82,829.80 : x - Step 2: Convert to fraction form
103,475.08/155,213.70 = 82,829.80/x - Step 3: Cross multiply
103,475.08x = 155,213.70 × 82,829.80 - Step 4: Simplify right side
103,475.08x = 12,856,319,728.26 - Step 5: Solve for x
x = 12,856,319,728.26/103,475.08 - Step 6: Final answer
x = 124,245.56
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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.