Finding the Fourth Proportional to 382,143.24, 573,216.24 and 115,906.08
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Solution
The fourth proportional to 382,143.24, 573,216.24 and 115,906.08 is: 173,859.54
Step by Step Solution
- Step 1: Write the proportion equation
382,143.24 : 573,216.24 = 115,906.08 : x - Step 2: Convert to fraction form
382,143.24/573,216.24 = 115,906.08/x - Step 3: Cross multiply
382,143.24x = 573,216.24 × 115,906.08 - Step 4: Simplify right side
382,143.24x = 66,439,247,370.74 - Step 5: Solve for x
x = 66,439,247,370.74/382,143.24 - Step 6: Final answer
x = 173,859.54
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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.