Finding the Fourth Proportional to 191,163.24, 286,630.92 and 72,843.84
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Solution
The fourth proportional to 191,163.24, 286,630.92 and 72,843.84 is: 109,222.34
Step by Step Solution
- Step 1: Write the proportion equation
191,163.24 : 286,630.92 = 72,843.84 : x - Step 2: Convert to fraction form
191,163.24/286,630.92 = 72,843.84/x - Step 3: Cross multiply
191,163.24x = 286,630.92 × 72,843.84 - Step 4: Simplify right side
191,163.24x = 20,879,296,875.53 - Step 5: Solve for x
x = 20,879,296,875.53/191,163.24 - Step 6: Final answer
x = 109,222.34
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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.