Finding the Fourth Proportional to 415,794.77, 623,686.68 and 100,249.14
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Solution
The fourth proportional to 415,794.77, 623,686.68 and 100,249.14 is: 150,372.39
Step by Step Solution
- Step 1: Write the proportion equation
415,794.77 : 623,686.68 = 100,249.14 : x - Step 2: Convert to fraction form
415,794.77/623,686.68 = 100,249.14/x - Step 3: Cross multiply
415,794.77x = 623,686.68 × 100,249.14 - Step 4: Simplify right side
415,794.77x = 62,524,053,299.46 - Step 5: Solve for x
x = 62,524,053,299.46/415,794.77 - Step 6: Final answer
x = 150,372.39
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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.