Finding the Fourth Proportional to 103,676.85, 155,548.08 and 37,115.50
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Solution
The fourth proportional to 103,676.85, 155,548.08 and 37,115.50 is: 55,684.99
Step by Step Solution
- Step 1: Write the proportion equation
103,676.85 : 155,548.08 = 37,115.50 : x - Step 2: Convert to fraction form
103,676.85/155,548.08 = 37,115.50/x - Step 3: Cross multiply
103,676.85x = 155,548.08 × 37,115.50 - Step 4: Simplify right side
103,676.85x = 5,773,244,763.24 - Step 5: Solve for x
x = 5,773,244,763.24/103,676.85 - Step 6: Final answer
x = 55,684.99
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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.