Finding the Fourth Proportional to 862,144.44, 1,293,216.66 and 263,108.68
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Solution
The fourth proportional to 862,144.44, 1,293,216.66 and 263,108.68 is: 394,663.02
Step by Step Solution
- Step 1: Write the proportion equation
862,144.44 : 1,293,216.66 = 263,108.68 : x - Step 2: Convert to fraction form
862,144.44/1,293,216.66 = 263,108.68/x - Step 3: Cross multiply
862,144.44x = 1,293,216.66 × 263,108.68 - Step 4: Simplify right side
862,144.44x = 340,256,528,366.61 - Step 5: Solve for x
x = 340,256,528,366.61/862,144.44 - Step 6: Final answer
x = 394,663.02
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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.