Finding the Fourth Proportional to 141,589.44, 212,379.12 and 61,627.23
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Solution
The fourth proportional to 141,589.44, 212,379.12 and 61,627.23 is: 92,438.65
Step by Step Solution
- Step 1: Write the proportion equation
141,589.44 : 212,379.12 = 61,627.23 : x - Step 2: Convert to fraction form
141,589.44/212,379.12 = 61,627.23/x - Step 3: Cross multiply
141,589.44x = 212,379.12 × 61,627.23 - Step 4: Simplify right side
141,589.44x = 13,088,336,875.44 - Step 5: Solve for x
x = 13,088,336,875.44/141,589.44 - Step 6: Final answer
x = 92,438.65
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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.