Finding the Fourth Proportional to 327,218.74, 490,737.39 and 207,197.62
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Solution
The fourth proportional to 327,218.74, 490,737.39 and 207,197.62 is: 310,738.99
Step by Step Solution
- Step 1: Write the proportion equation
327,218.74 : 490,737.39 = 207,197.62 : x - Step 2: Convert to fraction form
327,218.74/490,737.39 = 207,197.62/x - Step 3: Cross multiply
327,218.74x = 490,737.39 × 207,197.62 - Step 4: Simplify right side
327,218.74x = 101,679,619,253.01 - Step 5: Solve for x
x = 101,679,619,253.01/327,218.74 - Step 6: Final answer
x = 310,738.99
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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.