Finding the Fourth Proportional to 363,903.44, 545,953.98 and 206,242.62
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Solution
The fourth proportional to 363,903.44, 545,953.98 and 206,242.62 is: 309,419.94
Step by Step Solution
- Step 1: Write the proportion equation
363,903.44 : 545,953.98 = 206,242.62 : x - Step 2: Convert to fraction form
363,903.44/545,953.98 = 206,242.62/x - Step 3: Cross multiply
363,903.44x = 545,953.98 × 206,242.62 - Step 4: Simplify right side
363,903.44x = 112,598,979,234.63 - Step 5: Solve for x
x = 112,598,979,234.63/363,903.44 - Step 6: Final answer
x = 309,419.94
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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.