Finding the Fourth Proportional to 141,891.12, 212,836.68 and 48,397.68
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Solution
The fourth proportional to 141,891.12, 212,836.68 and 48,397.68 is: 72,596.52
Step by Step Solution
- Step 1: Write the proportion equation
141,891.12 : 212,836.68 = 48,397.68 : x - Step 2: Convert to fraction form
141,891.12/212,836.68 = 48,397.68/x - Step 3: Cross multiply
141,891.12x = 212,836.68 × 48,397.68 - Step 4: Simplify right side
141,891.12x = 10,300,801,530.90 - Step 5: Solve for x
x = 10,300,801,530.90/141,891.12 - Step 6: Final answer
x = 72,596.52
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1.5x scale
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.