Finding the Fourth Proportional to 141,857.87, 212,794.09 and 36,677.75
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Solution
The fourth proportional to 141,857.87, 212,794.09 and 36,677.75 is: 55,018.50
Step by Step Solution
- Step 1: Write the proportion equation
141,857.87 : 212,794.09 = 36,677.75 : x - Step 2: Convert to fraction form
141,857.87/212,794.09 = 36,677.75/x - Step 3: Cross multiply
141,857.87x = 212,794.09 × 36,677.75 - Step 4: Simplify right side
141,857.87x = 7,804,807,370.53 - Step 5: Solve for x
x = 7,804,807,370.53/141,857.87 - Step 6: Final answer
x = 55,018.50
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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.