Finding the Fourth Proportional to 299,249.70, 448,874.55 and 133,037.70
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Solution
The fourth proportional to 299,249.70, 448,874.55 and 133,037.70 is: 199,556.55
Step by Step Solution
- Step 1: Write the proportion equation
299,249.70 : 448,874.55 = 133,037.70 : x - Step 2: Convert to fraction form
299,249.70/448,874.55 = 133,037.70/x - Step 3: Cross multiply
299,249.70x = 448,874.55 × 133,037.70 - Step 4: Simplify right side
299,249.70x = 59,717,237,720.54 - Step 5: Solve for x
x = 59,717,237,720.54/299,249.70 - Step 6: Final answer
x = 199,556.55
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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.