Finding the Fourth Proportional to 216,903.80, 324,722.10 and 154,695.80
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Solution
The fourth proportional to 216,903.80, 324,722.10 and 154,695.80 is: 231,591.82
Step by Step Solution
- Step 1: Write the proportion equation
216,903.80 : 324,722.10 = 154,695.80 : x - Step 2: Convert to fraction form
216,903.80/324,722.10 = 154,695.80/x - Step 3: Cross multiply
216,903.80x = 324,722.10 × 154,695.80 - Step 4: Simplify right side
216,903.80x = 50,233,145,037.18 - Step 5: Solve for x
x = 50,233,145,037.18/216,903.80 - Step 6: Final answer
x = 231,591.82
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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.