Finding the Fourth Proportional to 265,736.99, 398,537.36 and 78,704.75
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Solution
The fourth proportional to 265,736.99, 398,537.36 and 78,704.75 is: 118,036.95
Step by Step Solution
- Step 1: Write the proportion equation
265,736.99 : 398,537.36 = 78,704.75 : x - Step 2: Convert to fraction form
265,736.99/398,537.36 = 78,704.75/x - Step 3: Cross multiply
265,736.99x = 398,537.36 × 78,704.75 - Step 4: Simplify right side
265,736.99x = 31,366,782,890.94 - Step 5: Solve for x
x = 31,366,782,890.94/265,736.99 - Step 6: Final answer
x = 118,036.95
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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.