Finding the Fourth Proportional to 300,025.39, 413,839.96 and 192,424.99
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Solution
The fourth proportional to 300,025.39, 413,839.96 and 192,424.99 is: 265,421.37
Step by Step Solution
- Step 1: Write the proportion equation
300,025.39 : 413,839.96 = 192,424.99 : x - Step 2: Convert to fraction form
300,025.39/413,839.96 = 192,424.99/x - Step 3: Cross multiply
300,025.39x = 413,839.96 × 192,424.99 - Step 4: Simplify right side
300,025.39x = 79,633,150,164.60 - Step 5: Solve for x
x = 79,633,150,164.60/300,025.39 - Step 6: Final answer
x = 265,421.37
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.