Finding the Fourth Proportional to 151,350.21, 207,350.80 and 145,674.94
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Solution
The fourth proportional to 151,350.21, 207,350.80 and 145,674.94 is: 199,575.64
Step by Step Solution
- Step 1: Write the proportion equation
151,350.21 : 207,350.80 = 145,674.94 : x - Step 2: Convert to fraction form
151,350.21/207,350.80 = 145,674.94/x - Step 3: Cross multiply
151,350.21x = 207,350.80 × 145,674.94 - Step 4: Simplify right side
151,350.21x = 30,205,815,348.95 - Step 5: Solve for x
x = 30,205,815,348.95/151,350.21 - Step 6: Final answer
x = 199,575.64
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.