Finding the Fourth Proportional to 215,611.60, 324,000.60 and 189,950.80
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Solution
The fourth proportional to 215,611.60, 324,000.60 and 189,950.80 is: 285,439.99
Step by Step Solution
- Step 1: Write the proportion equation
215,611.60 : 324,000.60 = 189,950.80 : x - Step 2: Convert to fraction form
215,611.60/324,000.60 = 189,950.80/x - Step 3: Cross multiply
215,611.60x = 324,000.60 × 189,950.80 - Step 4: Simplify right side
215,611.60x = 61,544,173,170.48 - Step 5: Solve for x
x = 61,544,173,170.48/215,611.60 - Step 6: Final answer
x = 285,439.99
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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.