Finding the Fourth Proportional to 150,221.98, 225,375.36 and 75,251.62
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Solution
The fourth proportional to 150,221.98, 225,375.36 and 75,251.62 is: 112,898.66
Step by Step Solution
- Step 1: Write the proportion equation
150,221.98 : 225,375.36 = 75,251.62 : x - Step 2: Convert to fraction form
150,221.98/225,375.36 = 75,251.62/x - Step 3: Cross multiply
150,221.98x = 225,375.36 × 75,251.62 - Step 4: Simplify right side
150,221.98x = 16,959,860,948.08 - Step 5: Solve for x
x = 16,959,860,948.08/150,221.98 - Step 6: Final answer
x = 112,898.66
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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.