Finding the Fourth Proportional to 216,037.80, 324,056.70 and 189,793.80
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Solution
The fourth proportional to 216,037.80, 324,056.70 and 189,793.80 is: 284,690.70
Step by Step Solution
- Step 1: Write the proportion equation
216,037.80 : 324,056.70 = 189,793.80 : x - Step 2: Convert to fraction form
216,037.80/324,056.70 = 189,793.80/x - Step 3: Cross multiply
216,037.80x = 324,056.70 × 189,793.80 - Step 4: Simplify right side
216,037.80x = 61,503,952,508.46 - Step 5: Solve for x
x = 61,503,952,508.46/216,037.80 - Step 6: Final answer
x = 284,690.70
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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.