Finding the Fourth Proportional to 141,865.38, 212,846.67 and 48,436.74
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Solution
The fourth proportional to 141,865.38, 212,846.67 and 48,436.74 is: 72,671.70
Step by Step Solution
- Step 1: Write the proportion equation
141,865.38 : 212,846.67 = 48,436.74 : x - Step 2: Convert to fraction form
141,865.38/212,846.67 = 48,436.74/x - Step 3: Cross multiply
141,865.38x = 212,846.67 × 48,436.74 - Step 4: Simplify right side
141,865.38x = 10,309,598,814.66 - Step 5: Solve for x
x = 10,309,598,814.66/141,865.38 - Step 6: Final answer
x = 72,671.70
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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.