Finding the Fourth Proportional to 151,424.27, 207,451.99 and 145,748.96
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Solution
The fourth proportional to 151,424.27, 207,451.99 and 145,748.96 is: 199,676.79
Step by Step Solution
- Step 1: Write the proportion equation
151,424.27 : 207,451.99 = 145,748.96 : x - Step 2: Convert to fraction form
151,424.27/207,451.99 = 145,748.96/x - Step 3: Cross multiply
151,424.27x = 207,451.99 × 145,748.96 - Step 4: Simplify right side
151,424.27x = 30,235,911,792.43 - Step 5: Solve for x
x = 30,235,911,792.43/151,424.27 - Step 6: Final answer
x = 199,676.79
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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.