Finding the Fourth Proportional to 192,762.08, 289,315.92 and 161,368.64
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Solution
The fourth proportional to 192,762.08, 289,315.92 and 161,368.64 is: 242,197.62
Step by Step Solution
- Step 1: Write the proportion equation
192,762.08 : 289,315.92 = 161,368.64 : x - Step 2: Convert to fraction form
192,762.08/289,315.92 = 161,368.64/x - Step 3: Cross multiply
192,762.08x = 289,315.92 × 161,368.64 - Step 4: Simplify right side
192,762.08x = 46,686,516,540.75 - Step 5: Solve for x
x = 46,686,516,540.75/192,762.08 - Step 6: Final answer
x = 242,197.62
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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.