Finding the Fourth Proportional to 256,330.74, 384,550.18 and 96,408.19
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Solution
The fourth proportional to 256,330.74, 384,550.18 and 96,408.19 is: 144,632.62
Step by Step Solution
- Step 1: Write the proportion equation
256,330.74 : 384,550.18 = 96,408.19 : x - Step 2: Convert to fraction form
256,330.74/384,550.18 = 96,408.19/x - Step 3: Cross multiply
256,330.74x = 384,550.18 × 96,408.19 - Step 4: Simplify right side
256,330.74x = 37,073,786,817.97 - Step 5: Solve for x
x = 37,073,786,817.97/256,330.74 - Step 6: Final answer
x = 144,632.62
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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.