Finding the Fourth Proportional to 141,877.87, 212,838.68 and 48,361.75
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Solution
The fourth proportional to 141,877.87, 212,838.68 and 48,361.75 is: 72,550.08
Step by Step Solution
- Step 1: Write the proportion equation
141,877.87 : 212,838.68 = 48,361.75 : x - Step 2: Convert to fraction form
141,877.87/212,838.68 = 48,361.75/x - Step 3: Cross multiply
141,877.87x = 212,838.68 × 48,361.75 - Step 4: Simplify right side
141,877.87x = 10,293,251,032.49 - Step 5: Solve for x
x = 10,293,251,032.49/141,877.87 - Step 6: Final answer
x = 72,550.08
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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.