Finding the Fourth Proportional to 119,337.12, 178,893.90 and 40,396.08
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Solution
The fourth proportional to 119,337.12, 178,893.90 and 40,396.08 is: 60,556.28
Step by Step Solution
- Step 1: Write the proportion equation
119,337.12 : 178,893.90 = 40,396.08 : x - Step 2: Convert to fraction form
119,337.12/178,893.90 = 40,396.08/x - Step 3: Cross multiply
119,337.12x = 178,893.90 × 40,396.08 - Step 4: Simplify right side
119,337.12x = 7,226,612,295.91 - Step 5: Solve for x
x = 7,226,612,295.91/119,337.12 - Step 6: Final answer
x = 60,556.28
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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.