Finding the Fourth Proportional to 321,963.05, 482,944.58 and 111,600.99
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Solution
The fourth proportional to 321,963.05, 482,944.58 and 111,600.99 is: 167,401.49
Step by Step Solution
- Step 1: Write the proportion equation
321,963.05 : 482,944.58 = 111,600.99 : x - Step 2: Convert to fraction form
321,963.05/482,944.58 = 111,600.99/x - Step 3: Cross multiply
321,963.05x = 482,944.58 × 111,600.99 - Step 4: Simplify right side
321,963.05x = 53,897,093,103.63 - Step 5: Solve for x
x = 53,897,093,103.63/321,963.05 - Step 6: Final answer
x = 167,401.49
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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.