Finding the Fourth Proportional to 251,314.97, 375,163.02 and 215,388.95
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Solution
The fourth proportional to 251,314.97, 375,163.02 and 215,388.95 is: 321,532.65
Step by Step Solution
- Step 1: Write the proportion equation
251,314.97 : 375,163.02 = 215,388.95 : x - Step 2: Convert to fraction form
251,314.97/375,163.02 = 215,388.95/x - Step 3: Cross multiply
251,314.97x = 375,163.02 × 215,388.95 - Step 4: Simplify right side
251,314.97x = 80,805,967,080.81 - Step 5: Solve for x
x = 80,805,967,080.81/251,314.97 - Step 6: Final answer
x = 321,532.65
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.