Finding the Fourth Proportional to 284,556.11, 423,662.64 and 280,582.14
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Solution
The fourth proportional to 284,556.11, 423,662.64 and 280,582.14 is: 417,745.99
Step by Step Solution
- Step 1: Write the proportion equation
284,556.11 : 423,662.64 = 280,582.14 : x - Step 2: Convert to fraction form
284,556.11/423,662.64 = 280,582.14/x - Step 3: Cross multiply
284,556.11x = 423,662.64 × 280,582.14 - Step 4: Simplify right side
284,556.11x = 118,872,170,705.80 - Step 5: Solve for x
x = 118,872,170,705.80/284,556.11 - Step 6: Final answer
x = 417,745.99
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.