Finding the Fourth Proportional to 120,517.14, 180,787.70 and 44,635.99
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Solution
The fourth proportional to 120,517.14, 180,787.70 and 44,635.99 is: 66,958.43
Step by Step Solution
- Step 1: Write the proportion equation
120,517.14 : 180,787.70 = 44,635.99 : x - Step 2: Convert to fraction form
120,517.14/180,787.70 = 44,635.99/x - Step 3: Cross multiply
120,517.14x = 180,787.70 × 44,635.99 - Step 4: Simplify right side
120,517.14x = 8,069,637,969.32 - Step 5: Solve for x
x = 8,069,637,969.32/120,517.14 - Step 6: Final answer
x = 66,958.43
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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.