Finding the Fourth Proportional to 298,163.23, 447,247.27 and 108,759.31
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Solution
The fourth proportional to 298,163.23, 447,247.27 and 108,759.31 is: 163,139.85
Step by Step Solution
- Step 1: Write the proportion equation
298,163.23 : 447,247.27 = 108,759.31 : x - Step 2: Convert to fraction form
298,163.23/447,247.27 = 108,759.31/x - Step 3: Cross multiply
298,163.23x = 447,247.27 × 108,759.31 - Step 4: Simplify right side
298,163.23x = 48,642,303,502.41 - Step 5: Solve for x
x = 48,642,303,502.41/298,163.23 - Step 6: Final answer
x = 163,139.85
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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.