Finding the Fourth Proportional to 320,126.97, 480,227.37 and 106,923.18
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Solution
The fourth proportional to 320,126.97, 480,227.37 and 106,923.18 is: 160,397.09
Step by Step Solution
- Step 1: Write the proportion equation
320,126.97 : 480,227.37 = 106,923.18 : x - Step 2: Convert to fraction form
320,126.97/480,227.37 = 106,923.18/x - Step 3: Cross multiply
320,126.97x = 480,227.37 × 106,923.18 - Step 4: Simplify right side
320,126.97x = 51,347,436,222.05 - Step 5: Solve for x
x = 51,347,436,222.05/320,126.97 - Step 6: Final answer
x = 160,397.09
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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.