Finding the Fourth Proportional to 303,883.74, 455,825.88 and 79,243.92
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Solution
The fourth proportional to 303,883.74, 455,825.88 and 79,243.92 is: 118,865.95
Step by Step Solution
- Step 1: Write the proportion equation
303,883.74 : 455,825.88 = 79,243.92 : x - Step 2: Convert to fraction form
303,883.74/455,825.88 = 79,243.92/x - Step 3: Cross multiply
303,883.74x = 455,825.88 × 79,243.92 - Step 4: Simplify right side
303,883.74x = 36,121,429,568.65 - Step 5: Solve for x
x = 36,121,429,568.65/303,883.74 - Step 6: Final answer
x = 118,865.95
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1.5x scale
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.