Finding the Fourth Proportional to 150,407.46, 225,611.19 and 71,478.63
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Solution
The fourth proportional to 150,407.46, 225,611.19 and 71,478.63 is: 107,217.95
Step by Step Solution
- Step 1: Write the proportion equation
150,407.46 : 225,611.19 = 71,478.63 : x - Step 2: Convert to fraction form
150,407.46/225,611.19 = 71,478.63/x - Step 3: Cross multiply
150,407.46x = 225,611.19 × 71,478.63 - Step 4: Simplify right side
150,407.46x = 16,126,378,773.87 - Step 5: Solve for x
x = 16,126,378,773.87/150,407.46 - Step 6: Final answer
x = 107,217.95
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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.