Finding the Fourth Proportional to 156,919.44, 235,354.32 and 68,149.14
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Solution
The fourth proportional to 156,919.44, 235,354.32 and 68,149.14 is: 102,212.92
Step by Step Solution
- Step 1: Write the proportion equation
156,919.44 : 235,354.32 = 68,149.14 : x - Step 2: Convert to fraction form
156,919.44/235,354.32 = 68,149.14/x - Step 3: Cross multiply
156,919.44x = 235,354.32 × 68,149.14 - Step 4: Simplify right side
156,919.44x = 16,039,194,503.28 - Step 5: Solve for x
x = 16,039,194,503.28/156,919.44 - Step 6: Final answer
x = 102,212.92
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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.