Finding the Fourth Proportional to 286,313.99, 429,375.60 and 115,491.58
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Solution
The fourth proportional to 286,313.99, 429,375.60 and 115,491.58 is: 173,198.89
Step by Step Solution
- Step 1: Write the proportion equation
286,313.99 : 429,375.60 = 115,491.58 : x - Step 2: Convert to fraction form
286,313.99/429,375.60 = 115,491.58/x - Step 3: Cross multiply
286,313.99x = 429,375.60 × 115,491.58 - Step 4: Simplify right side
286,313.99x = 49,589,265,384.01 - Step 5: Solve for x
x = 49,589,265,384.01/286,313.99 - Step 6: Final answer
x = 173,198.89
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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.