Finding the Fourth Proportional to 384,216.63, 530,224.41 and 214,450.75
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Solution
The fourth proportional to 384,216.63, 530,224.41 and 214,450.75 is: 295,945.08
Step by Step Solution
- Step 1: Write the proportion equation
384,216.63 : 530,224.41 = 214,450.75 : x - Step 2: Convert to fraction form
384,216.63/530,224.41 = 214,450.75/x - Step 3: Cross multiply
384,216.63x = 530,224.41 × 214,450.75 - Step 4: Simplify right side
384,216.63x = 113,707,022,392.81 - Step 5: Solve for x
x = 113,707,022,392.81/384,216.63 - Step 6: Final answer
x = 295,945.08
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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.