Finding the Fourth Proportional to 561,249.81, 842,206.87 and 206,512.94
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Solution
The fourth proportional to 561,249.81, 842,206.87 and 206,512.94 is: 309,891.63
Step by Step Solution
- Step 1: Write the proportion equation
561,249.81 : 842,206.87 = 206,512.94 : x - Step 2: Convert to fraction form
561,249.81/842,206.87 = 206,512.94/x - Step 3: Cross multiply
561,249.81x = 842,206.87 × 206,512.94 - Step 4: Simplify right side
561,249.81x = 173,926,618,013.91 - Step 5: Solve for x
x = 173,926,618,013.91/561,249.81 - Step 6: Final answer
x = 309,891.63
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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.