Finding the Fourth Proportional to 119,745.18, 179,611.26 and 36,639.18
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Solution
The fourth proportional to 119,745.18, 179,611.26 and 36,639.18 is: 54,956.78
Step by Step Solution
- Step 1: Write the proportion equation
119,745.18 : 179,611.26 = 36,639.18 : x - Step 2: Convert to fraction form
119,745.18/179,611.26 = 36,639.18/x - Step 3: Cross multiply
119,745.18x = 179,611.26 × 36,639.18 - Step 4: Simplify right side
119,745.18x = 6,580,809,285.17 - Step 5: Solve for x
x = 6,580,809,285.17/119,745.18 - Step 6: Final answer
x = 54,956.78
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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.